International

Electrotechnical

Commission

Area: 845: Lighting Index language:

Section 845-21: Radiation, quantities and units
	845-21-001	electromagnetic radiation, <phenomenon>
	845-21-002	optical radiation
	845-21-003	visible radiation
	845-21-004	infrared radiation
	845-21-005	IR-A
	845-21-006	IR-B
	845-21-007	IR-C
	845-21-008	ultraviolet radiation
	845-21-009	UV-A
	845-21-010	UV-B
	845-21-011	UV-C
	845-21-012	light, <psychophysical> noun
	845-21-013	light, <photometric> noun
	845-21-014	monochromatic radiation
	845-21-015	spectrum
	845-21-016	spectral line
	845-21-017	polarized radiation
	845-21-018	circularly polarized radiation
	845-21-019	elliptically polarized radiation
	845-21-020	linearly polarized radiation
	845-21-021	unpolarized radiation
	845-21-022	coherent radiation
	845-21-023	interference
	845-21-024	diffraction
	845-21-025	wavelength
	845-21-026	wavenumber
	845-21-027	spectral, <of a quantity> adj
	845-21-028	spectral, <of a spectral distribution> adj
	845-21-029	spectral distribution
	845-21-030	relative spectral distribution
	845-21-031	relative spectral fluorescence distribution
	845-21-032	source, <of optical radiation>
	845-21-033	point source
	845-21-034	steradian
	845-21-035	spectral luminous efficiency, <for a specified photometric condition>
	845-21-036	CIE standard photometric observer
	845-21-037	luminous energy
	845-21-038	radiant flux
	845-21-039	luminous flux
	845-21-040	photon flux
	845-21-041	radiant energy
	845-21-042	photon energy
	845-21-043	photon number
	845-21-044	radiant intensity
	845-21-045	luminous intensity
	845-21-046	photon intensity
	845-21-047	geometric extent
	845-21-048	optical extent
	845-21-049	radiance
	845-21-050	luminance
	845-21-051	photon radiance
	845-21-052	spectral radiance
	845-21-053	irradiance
	845-21-054	spherical irradiance
	845-21-055	cylindrical irradiance
	845-21-056	spectral irradiance
	845-21-057	scalar irradiance
	845-21-058	photon irradiance
	845-21-059	photon spherical irradiance
	845-21-060	illuminance
	845-21-061	horizontal illuminance
	845-21-062	vertical illuminance
	845-21-063	cylindrical illuminance
	845-21-064	semi-cylindrical illuminance
	845-21-065	scalar illuminance
	845-21-066	spherical illuminance
	845-21-067	radiance dose
	845-21-068	luminance dose
	845-21-069	photon cylindrical irradiance
	845-21-070	photon radiance dose
	845-21-071	radiant exposure
	845-21-072	luminous exposure
	845-21-073	photon exposure
	845-21-074	radiant spherical exposure
	845-21-075	luminous spherical exposure
	845-21-076	photon spherical exposure
	845-21-077	radiant cylindrical exposure
	845-21-078	luminous cylindrical exposure
	845-21-079	photon cylindrical exposure
	845-21-080	radiant exitance
	845-21-081	luminous exitance
	845-21-082	photon exitance
	845-21-083	candela
	845-21-084	lumen
	845-21-085	lux
	845-21-086	candela per square metre
	845-21-087	radiant efficiency, <of a source of radiation>
	845-21-088	spectral external radiant efficiency of the fluorescent specimen
	845-21-089	luminous efficacy, <of a light source>
	845-21-090	luminous efficacy of radiation, <for a specified photometric condition>
	845-21-091	spectral luminous efficacy, <for a specified photometric condition>
	845-21-092	maximum luminous efficacy, <for a specified photometric condition>
	845-21-093	luminous efficacy for monochromatic radiation of frequency 540 × 10¹² Hz
	845-21-094	luminous efficiency, <for a specified photometric condition>
	845-21-095	equivalent luminance, <for radiation of arbitrary relative spectral distribution>
	845-21-096	point brilliance
	845-21-097	apparent magnitude, <of an astronomical object>
	845-21-098	uniform point source
	845-21-099	irradiation
	845-21-100	luminescent radiance factor, <of a photoluminescent material>
	845-21-101	bispectral luminescent radiance factor
	845-21-102	luminescent luminance factor, <of a photoluminescent material>
	845-21-103	reduced luminance coefficient
	845-21-104	reflected radiance factor
	845-21-105	reflected luminance factor
	845-21-106	luminous extinction coefficient, <of the atmosphere>
	845-21-107	photon
	845-21-108	Planck constant
	845-21-109	solid angle, <of an area subtended at a point>
	845-21-110	partial luminous flux, <of a light source>
	845-21-111	useful luminous flux, <of a directional light source>
	845-21-112	partial LED flux
	845-21-113	S/P ratio
	845-21-114	averaged LED intensity
Section 845-22: Vision, colour rendering
	845-22-001	retina
	845-22-002	cones, pl
	845-22-003	rods, pl
	845-22-004	macula lutea
	845-22-005	blind spot
	845-22-006	fovea
	845-22-007	foveola
	845-22-008	central vision
	845-22-009	peripheral vision
	845-22-010	conventional retinal illuminance
	845-22-011	natural pupil luminance
	845-22-012	adaptation
	845-22-013	chromatic adaptation
	845-22-014	incomplete adaptation
	845-22-015	state of adaptation
	845-22-016	photopic vision
	845-22-017	scotopic vision
	845-22-018	mesopic vision
	845-22-019	appearance, <perceptual>
	845-22-020	total appearance
	845-22-021	aperture mode, <of colour appearance>
	845-22-022	night blindness
	845-22-023	defective colour vision
	845-22-024	deutan, adj
	845-22-025	deuteranomaly
	845-22-026	deuteranopia
	845-22-027	dichromatism
	845-22-028	monochromatism
	845-22-029	protan, adj
	845-22-030	protanomaly
	845-22-031	protanopia
	845-22-032	tritan, adj
	845-22-033	tritanomaly
	845-22-034	tritanopia
	845-22-035	anomalous trichromatism
	845-22-036	Purkinje phenomenon
	845-22-037	Stiles–Crawford effect
	845-22-038	troland
	845-22-039	light, <perceptual> noun
	845-22-040	colour, <perceptual>
	845-22-041	colour difference, <perceptual>
	845-22-042	object colour
	845-22-043	surface colour
	845-22-044	aperture colour
	845-22-045	luminous colour
	845-22-046	non-luminous colour
	845-22-047	related colour
	845-22-048	unrelated colour
	845-22-049	achromatic colour, <in the perceptual sense>
	845-22-050	chromatic colour, <in the perceptual sense>
	845-22-051	illumination colour
	845-22-052	inherent colour
	845-22-053	spot colour
	845-22-054	volume colour
	845-22-055	daylight fluorescent colour
	845-22-056	field colour
	845-22-057	basic colour names, pl
	845-22-058	colour appearance, <perceptual>
	845-22-059	brightness
	845-22-060	spatial brightness
	845-22-061	bright, adj
	845-22-062	dim, adj
	845-22-063	lightness, <of a related colour>
	845-22-064	light, adj
	845-22-065	dark, adj
	845-22-066	Helmholtz–Kohlrausch phenomenon
	845-22-067	hue
	845-22-068	unique hue
	845-22-069	binary hue
	845-22-070	Abney phenomenon
	845-22-071	Bezold–Brücke phenomenon
	845-22-072	colourfulness
	845-22-073	saturation
	845-22-074	chroma
	845-22-075	chromatic induction
	845-22-076	colorant
	845-22-077	visual acuity, <qualitatively>
	845-22-078	visual acuity, <quantitatively>
	845-22-079	visual angle
	845-22-080	visual field
	845-22-081	field of vision
	845-22-082	visual perception
	845-22-083	visual sensation
	845-22-084	visual task
	845-22-085	visibility level
	845-22-086	accommodation
	845-22-087	luminance threshold
	845-22-088	luminance difference threshold
	845-22-089	contrast, <in the perceptual sense>
	845-22-090	contrast sensitivity
	845-22-091	luminance contrast
	845-22-092	flicker
	845-22-093	critical flicker frequency
	845-22-094	flicker index, <of a source run on alternating current>
	845-22-095	flicker hue shift
	845-22-096	pulse-duration hue shift
	845-22-097	Talbot's law
	845-22-098	glare
	845-22-099	direct glare
	845-22-100	glare by reflection
	845-22-101	veiling reflection
	845-22-102	discomfort glare
	845-22-103	disability glare
	845-22-104	equivalent veiling luminance, <for disability glare or veiling reflections>
	845-22-105	veiling luminance, <for disability glare>
	845-22-106	glare rating limit
	845-22-107	colour rendering, <of a light source>
	845-22-108	reference illuminant
	845-22-109	colour rendering index
	845-22-110	CIE 1974 special colour rendering index
	845-22-111	CIE 1974 general colour rendering index
	845-22-112	illuminant colorimetric shift
	845-22-113	adaptive colorimetric shift
	845-22-114	resultant colorimetric shift
	845-22-115	illuminant colour shift
	845-22-116	adaptive colour shift
	845-22-117	resultant colour shift
	845-22-118	ageing effect, <relating to human vision>
	845-22-119	Maxwellian view
	845-22-120	pseudoisochromatic plates, pl
	845-22-121	roughness, <perceived>
	845-22-122	specular gloss, <perceived>
	845-22-123	translucency, <perceived>
	845-22-124	transparency, <perceived>
	845-22-125	light stimulus
Section 845-23: Colorimetry
	845-23-001	colour, <psychophysical>
	845-23-002	colour stimulus
	845-23-003	colour stimulus function
	845-23-004	relative colour stimulus function
	845-23-005	optimal colour stimuli, pl
	845-23-006	metamerism
	845-23-007	metamerism index
	845-23-008	metameric colour stimuli, pl
	845-23-009	achromatic stimulus
	845-23-010	chromatic stimulus
	845-23-011	monochromatic stimulus
	845-23-012	corresponding colour stimuli, pl
	845-23-013	complementary colour stimuli, pl
	845-23-014	colour boundary
	845-23-015	colour difference, <psychophysical>
	845-23-016	colour element
	845-23-017	colour order system
	845-23-018	illuminant
	845-23-019	CIE illuminant
	845-23-020	daylight illuminant
	845-23-021	CIE standard illuminant
	845-23-022	CIE standard source
	845-23-023	equi-energy spectrum
	845-23-024	quality grade, <of an illuminant simulator>
	845-23-025	daylight simulator
	845-23-026	colour appearance, <psychophysical>
	845-23-027	colour appearance model
	845-23-028	illuminant mode, <of colour appearance>
	845-23-029	object mode, <of colour appearance>
	845-23-030	additive mixture, <of colour stimuli>
	845-23-031	colour matching
	845-23-032	colour-matching coefficients, pl
	845-23-033	Grassmann's laws, pl
	845-23-034	von Kries' persistence law
	845-23-035	Abney's law
	845-23-036	trichromatic system
	845-23-037	reference colour stimuli, pl
	845-23-038	tristimulus values, <of a colour stimulus> pl
	845-23-039	colour-matching functions, <of a trichromatic system> pl
	845-23-040	colour equation
	845-23-041	colour space
	845-23-042	colorimetric colour space
	845-23-043	colour solid
	845-23-044	colour atlas
	845-23-045	CIE 1931 standard colorimetric system
	845-23-046	CIE 1964 standard colorimetric system
	845-23-047	CIE colour-matching functions, pl
	845-23-048	CIE standard colorimetric observer
	845-23-049	CIE 1931 standard colorimetric observer
	845-23-050	CIE 1964 standard colorimetric observer
	845-23-051	CIE standard deviate observer
	845-23-052	chromaticity
	845-23-053	chromaticity coordinates, pl
	845-23-054	chromaticity diagram
	845-23-055	spectral chromaticity coordinates, pl
	845-23-056	spectrum locus
	845-23-057	purple stimulus
	845-23-058	purple boundary
	845-23-059	Planckian locus
	845-23-060	daylight locus
	845-23-061	alychne
	845-23-062	dominant wavelength, <of a colour stimulus>
	845-23-063	complementary wavelength, <of a colour stimulus>
	845-23-064	purity, <of a colour stimulus>
	845-23-065	colorimetric purity
	845-23-066	excitation purity
	845-23-067	colour temperature
	845-23-068	correlated colour temperature
	845-23-069	white point, <in a colour space>
	845-23-070	white point, <in a chromaticity diagram>
	845-23-071	uniform colour space
	845-23-072	uniform-chromaticity-scale diagram
	845-23-073	CIE 1976 uniform-chromaticity-scale diagram
	845-23-074	CIE 1976 L^u^v^* colour space
	845-23-075	CIE 1976 Luv* colour difference
	845-23-076	CIE 1976 L^a^b^* colour space
	845-23-077	CIE 1976 Lab* colour difference
	845-23-078	CIE 1964 uniform colour space
	845-23-079	CIE 1960 uniform-chromaticity-scale diagram
	845-23-080	CIE 1976 u′,v′ chromaticity difference
	845-23-081	adapted white
	845-23-082	iso-temperature line, <in a chromaticity diagram>
	845-23-083	hue quadrature
	845-23-084	invariant wavelength
	845-23-085	perceptual attribute correlate
	845-23-086	proximal field
Section 845-24: Emission, optical properties of materials
	845-24-001	emission, <of radiation>
	845-24-002	thermal radiation
	845-24-003	thermal radiator
	845-24-004	Planckian radiator
	845-24-005	Planck's law
	845-24-006	Wien's law, <of radiation>
	845-24-007	Stefan-Boltzmann's law
	845-24-008	directional emissivity
	845-24-009	emissivity
	845-24-010	selective thermal radiator
	845-24-011	non-selective thermal radiator
	845-24-012	grey body
	845-24-013	emitter
	845-24-014	polarizer
	845-24-015	depolarizer
	845-24-016	radiance temperature, <of a thermal radiator, for a specified wavelength>
	845-24-017	distribution temperature, <of a source in a given wavelength range, λ₁ to λ₂>
	845-24-018	incandescence
	845-24-019	energy level
	845-24-020	excitation
	845-24-021	luminescence
	845-24-022	photoluminescence
	845-24-023	fluorescence
	845-24-024	afterglow, <of a luminescent material>
	845-24-025	anti-Stokes luminescence
	845-24-026	phosphorescence
	845-24-027	electroluminescence
	845-24-028	cathode luminescence
	845-24-029	radioluminescence
	845-24-030	chemiluminescence
	845-24-031	bioluminescence
	845-24-032	triboluminescence
	845-24-033	thermoluminescence
	845-24-034	photoluminescence radiant yield
	845-24-035	photoluminescence quantum yield
	845-24-036	excitation spectrum, <of a luminescent material>
	845-24-037	emission spectrum, <of a luminescent material>
	845-24-038	resonance line
	845-24-039	fluorophor
	845-24-040	photoluminescent material
	845-24-041	fluorescent material
	845-24-042	fluorescent radiant efficiency
	845-24-043	spectral quantum efficiency of a fluorescent process
	845-24-044	scintillator
	845-24-045	stimulated emission
	845-24-046	synchrotron radiation
	845-24-047	reflection, <of radiation>
	845-24-048	transmission
	845-24-049	scattering
	845-24-050	selective scattering
	845-24-051	non-selective scattering
	845-24-052	regular reflection
	845-24-053	regular transmission
	845-24-054	diffuse reflection
	845-24-055	diffuse transmission
	845-24-056	mixed reflection
	845-24-057	mixed transmission
	845-24-058	isotropic diffuse reflection
	845-24-059	isotropic diffuse transmission
	845-24-060	perfect reflecting diffuser
	845-24-061	perfect transmitting diffuser
	845-24-062	Lambert's cosine law
	845-24-063	Lambertian surface
	845-24-064	reflectance
	845-24-065	transmittance
	845-24-066	regular reflectance
	845-24-067	regular transmittance
	845-24-068	diffuse reflectance
	845-24-069	diffuse transmittance
	845-24-070	reflectance factor
	845-24-071	reflectance optical density
	845-24-072	transmittance optical density
	845-24-073	reflectance factor optical density
	845-24-074	transmittance factor
	845-24-075	radiance factor
	845-24-076	total spectral radiance factor
	845-24-077	luminance factor
	845-24-078	radiance coefficient
	845-24-079	luminance coefficient
	845-24-080	gloss, <of a surface>
	845-24-081	absorption, <of electromagnetic waves>
	845-24-082	absorptance
	845-24-083	spectral linear attenuation coefficient
	845-24-084	spectral linear scattering coefficient
	845-24-085	spectral linear absorption coefficient
	845-24-086	spectral mass attenuation coefficient
	845-24-087	spectral optical thickness, <of a medium>
	845-24-088	spectral internal transmittance, <of a homogeneous non-diffusing layer>
	845-24-089	spectral internal absorptance, <of a homogeneous non-diffusing layer>
	845-24-090	spectral absorbance, <of a homogeneous non-diffusing layer>
	845-24-091	Napierian spectral absorbance, <of a homogeneous non-diffusing layer>
	845-24-092	Napierian spectral absorption coefficient, <of a homogeneous non-diffusing layer>
	845-24-093	reflectivity, <of a material>
	845-24-094	spectral transmissivity, <of an absorbing material>
	845-24-095	spectral absorptivity, <of an absorbing material>
	845-24-096	diffusion factor, <of a diffusing surface, by reflection or by transmission>
	845-24-097	half-value angle, <for a diffusing surface, by reflection or by transmission>
	845-24-098	scattering indicatrix, <for a specified incident beam>
	845-24-099	retroreflection
	845-24-100	retroreflector
	845-24-101	entrance angle, <of a retroreflector>
	845-24-102	coefficient of luminous intensity, <of a retroreflector>
	845-24-103	coefficient of retroreflection
	845-24-104	coefficient of retroreflected luminance
	845-24-105	retroreflectance
	845-24-106	retroreflective element
	845-24-107	retroreflective material
	845-24-108	refraction, <of electromagnetic waves>
	845-24-109	refractive index
	845-24-110	spectral absorption index, <of a heavily absorbing material>
	845-24-111	complex refractive index
	845-24-112	dispersion
	845-24-113	filter
	845-24-114	colour filter
	845-24-115	non-selective filter
	845-24-116	selective filter
	845-24-117	neutral wedge
	845-24-118	neutral step wedge
	845-24-119	transparent medium
	845-24-120	translucent medium
	845-24-121	opaque medium
	845-24-122	spectrally neutral, adj
	845-24-123	thermochromism
	845-24-124	translucency, <physical>
	845-24-125	effective visual density
	845-24-126	bloom
	845-24-127	haze
	845-24-128	lustre
	845-24-129	mottle
	845-24-130	flop
	845-24-131	clarity, <of a material>
	845-24-132	distinctness-of-image, <of a surface>
	845-24-133	gonio-apparent material
	845-24-134	orange peel
	845-24-135	roughness, <physical>
	845-24-136	sheen
	845-24-137	speckle
	845-24-138	specular gloss, <physical>
	845-24-139	sub-surface texture
	845-24-140	surface texture
	845-24-141	transparency, <physical>
	845-24-142	turbidity
	845-24-143	waviness, <of a surface>
Section 845-25: Radiometric, photometric and colorimetric measurements: physical detectors
	845-25-001	primary photometric standard
	845-25-002	secondary photometric standard
	845-25-003	working photometric standard
	845-25-004	comparison lamp
	845-25-005	radiometry
	845-25-006	radiometer
	845-25-007	spectroradiometer
	845-25-008	spectrophotometer
	845-25-009	sphere-spectroradiometer
	845-25-010	sphere photometer
	845-25-011	gonio-spectrophotometer
	845-25-012	multi-angle spectrophotometer
	845-25-013	photometry
	845-25-014	colorimetry
	845-25-015	visual photometry
	845-25-016	visual colorimetry
	845-25-017	physical photometry
	845-25-018	physical colorimetry
	845-25-019	photometer
	845-25-020	illuminance meter
	845-25-021	luminance meter
	845-25-022	colorimeter
	845-25-023	flicker photometer
	845-25-024	equality-of-brightness photometer
	845-25-025	equality-of-contrast photometer
	845-25-026	goniophotometer
	845-25-027	gonioradiometer
	845-25-028	integrating sphere
	845-25-029	integrating photometer
	845-25-030	reflectometer
	845-25-031	densitometer
	845-25-032	radiant exposure meter
	845-25-033	exposure meter
	845-25-034	glossmeter
	845-25-035	detector, <of optical radiation>
	845-25-036	selective detector, <of optical radiation>
	845-25-037	non-selective detector, <of optical radiation>
	845-25-038	photoelectric detector
	845-25-039	photoemissive cell
	845-25-040	photocathode
	845-25-041	photomultiplier
	845-25-042	photoconductive cell
	845-25-043	photovoltaic cell
	845-25-044	photodiode
	845-25-045	avalanche photodiode
	845-25-046	phototransistor
	845-25-047	non-selective quantum detector
	845-25-048	photon counter
	845-25-049	thermal detector, <of optical radiation>
	845-25-050	absolute thermal detector
	845-25-051	array detector
	845-25-052	photon detector
	845-25-053	thermocouple, <for optical radiation>
	845-25-054	thermopile, <for optical radiation>
	845-25-055	bolometer, <for optical radiation>
	845-25-056	pyroelectric detector, <for optical radiation>
	845-25-057	input, <for a detector of optical radiation>
	845-25-058	output, <of a detector of optical radiation>
	845-25-059	photocurrent
	845-25-060	dark current, <of a photoelectric detector>
	845-25-061	responsivity, <of a detector>
	845-25-062	relative responsivity, <of a detector>
	845-25-063	spectral responsivity, <of a detector>
	845-25-064	relative spectral responsivity, <of a detector>
	845-25-065	response time, <of a detector>
	845-25-066	time constant, <of a detector whose output varies exponentially with time>
	845-25-067	rise time, <of a detector>
	845-25-068	fall time, <of a detector>
	845-25-069	noise-equivalent input, <of a detector>
	845-25-070	noise-equivalent power, <of a detector>
	845-25-071	noise-equivalent irradiance, <of a detector>
	845-25-072	detectivity, <of a detector>
	845-25-073	normalized detectivity, <of a detector>
	845-25-074	external quantum efficiency, <of a detector>
	845-25-075	external photoluminescence quantum yield
	845-25-076	internal quantum efficiency, <of a detector>
	845-25-077	field of view, <of a detector>
	845-25-078	angle of incidence
	845-25-079	angle of observation
	845-25-080	specular angle
	845-25-081	aspecular angle
	845-25-082	specular, <with respect to angles> adj
	845-25-083	aspecular, <with respect to angles> adj
	845-25-084	vertical photometric angle, <of a light path>
	845-25-085	angular subtense
	845-25-086	aperture
	845-25-087	beam spread
	845-25-088	basic law of radiometry and photometry
	845-25-089	bi-directional reflectance distribution function
	845-25-090	(C, γ) coordinate system
	845-25-091	distribution curve, <of luminous intensity>
	845-25-092	influx geometry
	845-25-093	efflux geometry
	845-25-094	zero-degree directional geometry
	845-25-095	eight-degree geometry
	845-25-096	forty-five degree annular geometry
	845-25-097	forty-five degree directional geometry
	845-25-098	first axis, <of a luminaire when measured in the (C, γ) coordinate system>
	845-25-099	linear detector
	845-25-100	monochromatic mode, <spectrophotometry>
	845-25-101	monochromator
	845-25-102	normalized signal
	845-25-103	photometric centre
	845-25-104	photometric distance law
	845-25-105	photometric inverse square law
	845-25-106	polychromatic mode
	845-25-107	polychromator
	845-25-108	principal plane, <of the luminaire light distribution>
	845-25-109	quantum counter
	845-25-110	reference plane, <in photometric or radiometric measurements>
	845-25-111	rotation, <of a luminaire>
	845-25-112	tilt during measurement, <of a luminaire>
	845-25-113	tilt in application, <of a luminaire>
	845-25-114	sampling aperture
	845-25-115	spectral mismatch correction factor, <for a photometer>
	845-25-116	stray light, <in measurement>
Section 845-26: Actinic effects of optical radiation
	845-26-001	photoeffect
	845-26-002	actinism
	845-26-003	actinic, <applied to radiation> adj
	845-26-004	actinic, <applied to concepts other than radiation or to devices> adj
	845-26-005	indirect actinic effect
	845-26-006	photosensitization
	845-26-007	photodesensitization
	845-26-008	photobiology
	845-26-009	photopathology
	845-26-010	photic maculopathy
	845-26-011	photocarcinogenesis
	845-26-012	photochemical carcinogenesis
	845-26-013	photocarcinogenicity
	845-26-014	photocataractogenesis
	845-26-015	photocuring
	845-26-016	photoimmunology
	845-26-017	photokeratoconjunctivitis
	845-26-018	photomorphogenesis
	845-26-019	photomutagenesis
	845-26-020	phototaxis
	845-26-021	phototropism
	845-26-022	retinal burn
	845-26-023	retinal thermal injury
	845-26-024	phototherapy
	845-26-025	heliotherapy
	845-26-026	light therapy
	845-26-027	action spectrum
	845-26-028	actinic erythema
	845-26-029	erythemal radiation
	845-26-030	sunburn
	845-26-031	suntan
	845-26-032	bactericidal radiation
	845-26-033	dose, <of optical radiation of specified spectral distribution>
	845-26-034	effective dose
	845-26-035	actinic dose
	845-26-036	dose rate
	845-26-037	photobiological dose
	845-26-038	photobiological fluence
	845-26-039	photobiological fluence rate
	845-26-040	biological rhythm
	845-26-041	circadian rhythm
	845-26-042	photoperiod
	845-26-043	photoperiodism
	845-26-044	melatonin
	845-26-045	additivity law of von Krefeld
	845-26-046	skin hazard distance
	845-26-047	ocular hazard distance
	845-26-048	retinal hazard spectral region
	845-26-049	retinal thermal hazard spectral weighting function
	845-26-050	retinal thermal radiance
	845-26-051	infrared cataract hazard
	845-26-052	ultraviolet hazard irradiance
	845-26-053	ultraviolet hazard radiant exposure
	845-26-054	ultraviolet hazard spectral weighting function
	845-26-055	blue light hazard
	845-26-056	blue light hazard irradiance
	845-26-057	blue light hazard radiance
	845-26-058	blue light hazard radiance dose
	845-26-059	blue light hazard radiant exposure
	845-26-060	blue light hazard spectral weighting function
	845-26-061	blue light hazard efficacy of luminous radiation, <of a source>
	845-26-062	blue light hazard factor of luminous radiation
	845-26-063	blue light hazard efficiency of radiation
	845-26-064	dose response curve
	845-26-065	erythema spectral weighting function
	845-26-066	erythemal dose
	845-26-067	erythemal irradiance
	845-26-068	minimal erythema dose
	845-26-069	standard erythema dose
	845-26-070	exposure distance
	845-26-071	exposure duration
	845-26-072	exposure limit
	845-26-073	global UV index
	845-26-074	sun protection factor
	845-26-075	ultraviolet protection factor
	845-26-076	apparent source, <retinal hazard>
	845-26-077	large source, <in photobiology>
	845-26-078	photosynthesis
	845-26-079	photosynthetically active radiation
	845-26-080	vitamin D synthesis
	845-26-081	Bunsen–Roscoe law
	845-26-082	natural actinic effect
	845-26-083	artificially induced actinic effect
	845-26-084	direct actinic effect
	845-26-085	retinal thermal hazard
	845-26-086	ultraviolet hazard
	845-26-087	erythemal hazard
Section 845-27: Light sources
	845-27-001	light source
	845-27-002	primary light source
	845-27-003	secondary light source
	845-27-004	electric light source
	845-27-005	replaceable light source
	845-27-006	non-replaceable light source
	845-27-007	non-user replaceable light source
	845-27-008	electric lamp
	845-27-009	integrated lamp
	845-27-010	lighting system
	845-27-011	incandescent lamp
	845-27-012	carbon filament lamp
	845-27-013	metal filament lamp
	845-27-014	tungsten filament lamp
	845-27-015	vacuum lamp
	845-27-016	gas-filled lamp
	845-27-017	tungsten halogen lamp
	845-27-018	electric discharge, <in a gas>
	845-27-019	glow discharge
	845-27-020	cathode fall
	845-27-021	normal cathode fall
	845-27-022	abnormal cathode fall
	845-27-023	arc discharge, <in a gas or in a vapour>
	845-27-024	discharge lamp
	845-27-025	luminous-discharge tube
	845-27-026	glow lamp
	845-27-027	high-intensity discharge lamp
	845-27-028	high-pressure mercury lamp
	845-27-029	blended lamp
	845-27-030	low-pressure mercury lamp
	845-27-031	high-pressure sodium lamp
	845-27-032	low-pressure sodium lamp
	845-27-033	metal halide lamp
	845-27-034	fluorescent lamp
	845-27-035	external electrode fluorescent lamp
	845-27-036	cold-cathode lamp
	845-27-037	cold-cathode fluorescent lamp
	845-27-038	tubular cold-cathode discharge lamp
	845-27-039	hot-cathode lamp
	845-27-040	cold-start lamp
	845-27-041	preheat lamp
	845-27-042	switch-start fluorescent lamp
	845-27-043	starterless fluorescent lamp
	845-27-044	arc lamp
	845-27-045	short-arc lamp
	845-27-046	long-arc lamp
	845-27-047	induction lamp
	845-27-048	internally coupled induction lamp
	845-27-049	externally coupled induction lamp
	845-27-050	LED
	845-27-051	LED die
	845-27-052	LED junction
	845-27-053	LED light source
	845-27-054	LED lamp
	845-27-055	integrated LED lamp
	845-27-056	semi-integrated LED lamp
	845-27-057	non-integrated LED lamp
	845-27-058	LED module
	845-27-059	integrated LED module
	845-27-060	semi-integrated LED module
	845-27-061	non-integrated LED module
	845-27-062	built-in LED module
	845-27-063	integral LED module
	845-27-064	independent LED module
	845-27-065	LED package
	845-27-066	bin, <property of LED dies or LED packages>
	845-27-067	bin, <set of LED dies or LED packages>
	845-27-068	junction temperature
	845-27-069	prefocus lamp
	845-27-070	reflector lamp
	845-27-071	pressed-glass lamp
	845-27-072	sealed beam lamp
	845-27-073	projector lamp
	845-27-074	projection lamp
	845-27-075	directional lamp
	845-27-076	optical beam axis
	845-27-077	beam angle
	845-27-078	centre beam intensity
	845-27-079	centre beam intensity maintenance factor
	845-27-080	peak intensity
	845-27-081	photoflood lamp
	845-27-082	photoflash lamp
	845-27-083	flash tube
	845-27-084	daylight lamp
	845-27-085	black light lamp
	845-27-086	tungsten ribbon lamp
	845-27-087	electroluminescent source
	845-27-088	electroluminescent lamp
	845-27-089	electroluminescent panel
	845-27-090	infrared lamp
	845-27-091	ultraviolet lamp
	845-27-092	bactericidal light source
	845-27-093	spectroscopic lamp
	845-27-094	self-shielded lamp
	845-27-095	standard lamp
	845-27-096	reference lamp, <for testing ballasts>
	845-27-097	secondary standard lamp
	845-27-098	working standard lamp
	845-27-099	rating, <of an electric lamp>
	845-27-100	rated value, <light sources and related equipment>
	845-27-101	life, <of an electric lamp>
	845-27-102	life test, <of an electric lamp>
	845-27-103	accelerated life test
	845-27-104	life to X % failures, <of an electric lamp>
	845-27-105	failure
	845-27-106	failure fraction
	845-27-107	initial value
	845-27-108	ageing, <of a light source>
	845-27-109	stabilization time
	845-27-110	ambient temperature
	845-27-111	ambient performance temperature
	845-27-112	performance temperature, <of an LED module>
	845-27-113	maintained value
	845-27-114	luminous flux maintenance factor, <of an electric light source>
	845-27-115	amplitude of fluctuation of the luminous flux
	845-27-116	starting voltage, <of a discharge lamp>
	845-27-117	lamp voltage, <of a discharge lamp>
	845-27-118	supply voltage
	845-27-119	lamp current
	845-27-120	supply current
	845-27-121	energy performance, <of a lighting system>
	845-27-122	lamp power
	845-27-123	total circuit power
	845-27-124	standby power
	845-27-125	standby mode
	845-27-126	circuit power factor
	845-27-127	fundamental power factor
	845-27-128	starting time, <of an arc discharge lamp>
	845-27-129	series cathode heating, <of a discharge lamp>
	845-27-130	series cathode preheating, <of a discharge lamp>
	845-27-131	parallel cathode heating, <of a discharge lamp>
	845-27-132	parallel cathode preheating, <of a discharge lamp>
	845-27-133	light colour designation
	845-27-134	batch
	845-27-135	family, <of light sources>
	845-27-136	laser
Section 845-28: Components of electric light sources and auxiliary apparatus
	845-28-001	luminous element
	845-28-002	filament
	845-28-003	straight filament
	845-28-004	single-coil filament
	845-28-005	coiled-coil filament
	845-28-006	bulb
	845-28-007	clear bulb
	845-28-008	frosted bulb
	845-28-009	opal bulb
	845-28-010	coated bulb
	845-28-011	reflectorized bulb
	845-28-012	enamelled bulb
	845-28-013	coloured bulb
	845-28-014	hard-glass bulb
	845-28-015	cap
	845-28-016	screw cap
	845-28-017	bayonet cap
	845-28-018	shell cap
	845-28-019	pin cap
	845-28-020	prefocus cap
	845-28-021	printed circuit board cap
	845-28-022	bayonet pin
	845-28-023	contact plate
	845-28-024	pin
	845-28-025	lampholder
	845-28-026	integral lampholder
	845-28-027	independent lampholder
	845-28-028	lampholder for building-in
	845-28-029	polarized lampholder
	845-28-030	unenclosed lampholder
	845-28-031	enclosed lampholder
	845-28-032	partly reinforced insulated lampholder
	845-28-033	enclosed reinforced insulated lampholder
	845-28-034	backplate lampholder
	845-28-035	connector
	845-28-036	main electrode, <of a discharge lamp>
	845-28-037	starting electrode, <of a discharge lamp>
	845-28-038	arc tube
	845-28-039	emissive material
	845-28-040	starting strip
	845-28-041	starting device
	845-28-042	starter
	845-28-043	ignitor
	845-28-044	ballast
	845-28-045	semiconductor ballast, <of a discharge lamp>
	845-28-046	reference ballast
	845-28-047	calibration current, <of reference ballast>
	845-28-048	control gear, <for an electric light source>
	845-28-049	maintained control gear
	845-28-050	non-maintained control gear
	845-28-051	AC/DC supplied electronic control gear for maintained emergency lighting for fluorescent lamps
	845-28-052	electromagnetic control gear
	845-28-053	built-in lamp control gear
	845-28-054	integral lamp control gear
	845-28-055	independent lamp control gear
	845-28-056	power supply of the control gear, <for an LED light source>
	845-28-057	control unit of the control gear, <for an LED light source>
	845-28-058	convertor
	845-28-059	independent convertor
	845-28-060	invertor
	845-28-061	inductive power coupler
	845-28-062	control terminal
	845-28-063	dimmer
	845-28-064	supply terminal
Section 845-29: Lighting technology and daylighting
	845-29-001	lighting
	845-29-002	lighting technology
	845-29-003	illuminating engineering
	845-29-004	luminous environment
	845-29-005	visual performance
	845-29-006	equivalent contrast, <of a task>
	845-29-007	general lighting
	845-29-008	local lighting
	845-29-009	localized lighting
	845-29-010	emergency lighting
	845-29-011	escape lighting
	845-29-012	safety lighting
	845-29-013	stand-by lighting
	845-29-014	direct lighting
	845-29-015	semi-direct lighting
	845-29-016	general diffused lighting
	845-29-017	semi-indirect lighting
	845-29-018	indirect lighting
	845-29-019	directional lighting
	845-29-020	diffused lighting
	845-29-021	floodlighting
	845-29-022	spotlighting
	845-29-023	accent lighting
	845-29-024	public lighting
	845-29-025	electric lighting
	845-29-026	solid-state lighting
	845-29-027	adaptive lighting
	845-29-028	integrative lighting
	845-29-029	lighting quality
	845-29-030	energy performance, <of a lighting installation>
	845-29-031	daylighting
	845-29-032	outdoor lighting
	845-29-033	fire emergency guidance lighting
	845-29-034	lighting installation
	845-29-035	floodlighting installation
	845-29-036	illuminance vector
	845-29-037	luminous intensity distribution
	845-29-038	symmetrical luminous intensity distribution, <of a light source>
	845-29-039	rotationally symmetrical luminous intensity distribution, <of a light source>
	845-29-040	mean spherical luminous intensity, <of a light source>
	845-29-041	iso-intensity curve
	845-29-042	iso-intensity diagram
	845-29-043	half-peak divergence, <of a projector, in a specified plane>
	845-29-044	cumulative flux, <of a light source, for a solid angle>
	845-29-045	zonal flux, <of a light source, for a zone>
	845-29-046	total flux, <of a light source>
	845-29-047	downward flux, <of a light source>
	845-29-048	upward flux, <of a light source>
	845-29-049	cumulative downward flux proportion, <of a light source, for a solid angle>
	845-29-050	flux triplet, <of a light source>
	845-29-051	optical light output ratio, <of a luminaire>
	845-29-052	light output ratio, <of a luminaire>
	845-29-053	downward light output ratio
	845-29-054	downward flux fraction
	845-29-055	flux code, <of a luminaire>
	845-29-056	magnification ratio, <of a luminaire>
	845-29-057	direct flux, <on a surface>
	845-29-058	indirect flux, <on a surface>
	845-29-059	direct ratio, <of an interior lighting installation>
	845-29-060	installed lamp flux density, <for an interior lighting installation>
	845-29-061	installation flux density, <for an interior lighting installation>
	845-29-062	lumen method
	845-29-063	point-by-point method, <lighting calculation>
	845-29-064	upward flux fraction
	845-29-065	upward light output ratio
	845-29-066	upward light ratio
	845-29-067	reference surface, <in photometric or radiometric measurements>
	845-29-068	working plane
	845-29-069	utilization factor, <of an installation>
	845-29-070	utilance, <of an installation>
	845-29-071	room index
	845-29-072	room cavity ratio
	845-29-073	ceiling cavity index
	845-29-074	ceiling cavity ratio
	845-29-075	floor cavity index
	845-29-076	floor cavity ratio
	845-29-077	iso-luminance curve
	845-29-078	iso-illuminance curve
	845-29-079	service illuminance, <of an area>
	845-29-080	reference lighting
	845-29-081	contrast rendering factor, <of a lighting system, for a task>
	845-29-082	ballast lumen factor
	845-29-083	emergency mode ballast lumen factor
	845-29-084	light centre, <of a light source>
	845-29-085	test distance, <for photometric measurements>
	845-29-086	spacing, <in an installation>
	845-29-087	proximity, <in a lighting installation in an interior>
	845-29-088	suspension length, <of a luminaire in an interior>
	845-29-089	suspension factor, <of an installation in an interior>
	845-29-090	interreflection
	845-29-091	interreflection ratio
	845-29-092	mutual exchange coefficient, <of radiance or luminance between surfaces>
	845-29-093	configuration factor, <between two surfaces>
	845-29-094	form factor, <between two surfaces>
	845-29-095	self-exchange coefficient, <of a surface>
	845-29-096	solar radiation
	845-29-097	solar constant
	845-29-098	luminous solar constant
	845-29-099	direct solar radiation
	845-29-100	diffuse sky radiation
	845-29-101	global solar radiation
	845-29-102	reflected global solar radiation
	845-29-103	sunlight
	845-29-104	skylight
	845-29-105	daylight
	845-29-106	optical thickness, <of the atmosphere>
	845-29-107	Linke turbidity factor
	845-29-108	luminous turbidity factor
	845-29-109	relative optical air mass
	845-29-110	atmospheric transmittance
	845-29-111	CIE standard overcast sky
	845-29-112	CIE standard clear sky
	845-29-113	CIE standard general sky
	845-29-114	uniform sky
	845-29-115	intermediate sky
	845-29-116	total cloud amount
	845-29-117	sunshine duration
	845-29-118	astronomical sunshine duration
	845-29-119	possible sunshine duration
	845-29-120	relative sunshine duration
	845-29-121	daylight factor
	845-29-122	sky component of daylight factor
	845-29-123	externally reflected component of daylight factor
	845-29-124	internally reflected component of daylight factor
	845-29-125	solar factor, <of glazing material>
	845-29-126	sky factor
	845-29-127	sky luminance
	845-29-128	direct solar illuminance
	845-29-129	normal solar illuminance
	845-29-130	extraterrestrial solar illuminance
	845-29-131	diffuse horizontal illuminance
	845-29-132	global horizontal illuminance
	845-29-133	direct solar irradiance
	845-29-134	normal solar irradiance
	845-29-135	extraterrestrial solar irradiance
	845-29-136	diffuse horizontal irradiance
	845-29-137	global horizontal irradiance
	845-29-138	obstruction, <of a building>
	845-29-139	daylight opening
	845-29-140	window
	845-29-141	rooflight
	845-29-142	shading
	845-29-143	equi-interval maintenance programme
	845-29-144	equilux maintenance programme
	845-29-145	maintained lighting value
	845-29-146	maintenance factor, <of a lighting installation>
	845-29-147	lamp luminous flux maintenance factor
	845-29-148	luminaire maintenance factor
	845-29-149	lamp survival factor
	845-29-150	room surface maintenance factor
	845-29-151	average luminance
	845-29-152	initial average luminance
	845-29-153	maintained average luminance
	845-29-154	luminance uniformity
	845-29-155	average illuminance
	845-29-156	initial average illuminance
	845-29-157	maintained average illuminance
	845-29-158	direct illuminance
	845-29-159	indirect illuminance
	845-29-160	illuminance uniformity
	845-29-161	hollow light guide
	845-29-162	lens light guide
	845-29-163	prism light guide
	845-29-164	metal light guide
	845-29-165	multi-layer light guide
	845-29-166	light extractor, <of a hollow light guide>
	845-29-167	light injector, <of a hollow light guide>
	845-29-168	louvred ceiling
	845-29-169	luminous ceiling
	845-29-170	modelling
	845-29-171	task area
	845-29-172	surrounding area
	845-29-173	work place
	845-29-174	work station
	845-29-175	curfew
	845-29-176	environmental zone
	845-29-177	light pollution
	845-29-178	sky glow
	845-29-179	man-made sky glow
	845-29-180	natural sky glow
	845-29-181	obtrusive light
	845-29-182	reference direction, <of a floodlight>
	845-29-183	reference location, <for the assessment of light pollution>
	845-29-184	relevant boundary, <of a residential property>
	845-29-185	spill light
	845-29-186	mounting height, <interior lighting>
	845-29-187	mounting height, <exterior lighting>
Section 845-30: Luminaires and their components
	845-30-001	luminaire
	845-30-002	semi-luminaire
	845-30-003	symmetrical luminaire
	845-30-004	asymmetrical luminaire
	845-30-005	wide angle luminaire
	845-30-006	ordinary luminaire
	845-30-007	protected luminaire
	845-30-008	flameproof luminaire
	845-30-009	rough service luminaire
	845-30-010	adjustable luminaire
	845-30-011	portable luminaire
	845-30-012	portable cold cathode luminaire
	845-30-013	fixed luminaire
	845-30-014	settable luminaire
	845-30-015	pendant luminaire
	845-30-016	rise and fall pendant luminaire
	845-30-017	detachable cord
	845-30-018	recessed luminaire
	845-30-019	troffer
	845-30-020	coffer
	845-30-021	downlight
	845-30-022	bulkhead luminaire
	845-30-023	cornice lighting
	845-30-024	valance lighting
	845-30-025	cove lighting
	845-30-026	table lamp
	845-30-027	hand lamp
	845-30-028	torch
	845-30-029	lighting chain
	845-30-030	projector
	845-30-031	searchlight
	845-30-032	spotlight
	845-30-033	floodlight
	845-30-034	cut-off
	845-30-035	cut-off angle, <of a luminaire>
	845-30-036	shielding angle
	845-30-037	refractor
	845-30-038	reflector
	845-30-039	diffuser
	845-30-040	bowl
	845-30-041	globe
	845-30-042	shade
	845-30-043	louvre
	845-30-044	protective glass
	845-30-045	luminaire guard
	845-30-046	studio floodlight
	845-30-047	special studio floodlight
	845-30-048	reflector spotlight
	845-30-049	lens spotlight
	845-30-050	Fresnel spotlight
	845-30-051	profile spotlight
	845-30-052	effects projector
	845-30-053	softlight
	845-30-054	boxed cold-cathode luminaire
	845-30-055	luminous-discharge tube luminaire
	845-30-056	LED luminaire
	845-30-057	tunnel luminaire
	845-30-058	combined emergency luminaire
	845-30-059	aquarium luminaire
	845-30-060	mine luminaire
	845-30-061	miner's personal lamp
	845-30-062	cap lamp
	845-30-063	headpiece
	845-30-064	mine safety lamp
	845-30-065	portable mine luminaire
	845-30-066	mine rescue luminaire
	845-30-067	air-turbo lamp
	845-30-068	haulageway luminaire
	845-30-069	face luminaire
	845-30-070	induction luminaire
	845-30-071	permissible luminaire
	845-30-072	intrinsically safe luminaire
	845-30-073	paddy lamp
Section 845-31: Visual signalling
	845-31-001	visual signal
	845-31-002	sign
	845-31-003	sign matrix
	845-31-004	signal light
	845-31-005	navigation mark
	845-31-006	beacon
	845-31-007	character, <of a light signal>
	845-31-008	rhythmic light
	845-31-009	flashing light
	845-31-010	isophase light
	845-31-011	occulting light
	845-31-012	alternating light
	845-31-013	reciprocating lights, pl
	845-31-014	sun phantom
	845-31-015	loom, <of a light>
	845-31-016	effective intensity, <of a flashing light>
	845-31-017	atmospheric transmissivity
	845-31-018	meteorological optical range
	845-31-019	visual contrast threshold
	845-31-020	Koschmieder's law
	845-31-021	visual range
	845-31-022	geographical range
	845-31-023	point vision
	845-31-024	threshold of illuminance
	845-31-025	Allard's law
	845-31-026	luminous range
	845-31-027	nominal range, <of a maritime signal light>
	845-31-028	conspicuity
	845-31-029	lighthouse
	845-31-030	sector light
	845-31-031	direction light
	845-31-032	leading marks
	845-31-033	leading lights, pl
	845-31-034	light vessel
	845-31-035	buoy
	845-31-036	lighted buoy
	845-31-037	float
	845-31-038	lateral mark
	845-31-039	lateral light
	845-31-040	cardinal light
	845-31-041	navigation light, <of an aircraft>
	845-31-042	mast-head light, <of a vessel>
	845-31-043	sidelight, <of a vessel>
	845-31-044	stern light, <of a vessel>
	845-31-045	aeronautical ground light
	845-31-046	obstacle light
	845-31-047	aerodrome beacon
	845-31-048	flashing conspicuity beacon
	845-31-049	barrette, <of aeronautical ground lights>
	845-31-050	runway light
	845-31-051	runway visual range
	845-31-052	visual range, <in aviation terminology>
	845-31-053	approach lighting system
	845-31-054	cross bar, <in airfield applications>
	845-31-055	wing bar
	845-31-056	visual approach slope indicator
	845-31-057	navigation light, <of a vessel>
	845-31-058	anti-collision light
	845-31-059	landing light
	845-31-060	taxiing light
	845-31-061	traffic sign
	845-31-062	traffic signal
	845-31-063	bollard
	845-31-064	delineator
	845-31-065	headlight
	845-31-066	main-beam headlight
	845-31-067	dipped-beam headlight
	845-31-068	front fog light
	845-31-069	front position light
	845-31-070	rear position light
	845-31-071	parking light
	845-31-072	rear fog light
	845-31-073	reversing light
	845-31-074	stop light
	845-31-075	direction-indicator light
	845-31-076	sidelight, <of a vehicle>
	845-31-077	hazard warning signal, <on vehicle>
	845-31-078	number-plate light
	845-31-079	outline marker light
	845-31-080	daytime running lights, pl
	845-31-081	road tunnel
	845-31-082	access zone, <of a road tunnel>
	845-31-083	threshold zone, <of a road tunnel>
	845-31-084	transition zone, <of a road tunnel>
	845-31-085	parting zone, <of a road tunnel>
	845-31-086	interior zone, <of a road tunnel>
	845-31-087	exit zone, <of a road tunnel>
	845-31-088	access zone luminance
	845-31-089	threshold zone luminance
	845-31-090	transition zone luminance
	845-31-091	interior zone luminance
	845-31-092	exit zone lighting
	845-31-093	entrance portal, <of a road tunnel>
	845-31-094	exit portal, <of a road tunnel>
	845-31-095	pro-beam lighting, <in a road tunnel>
	845-31-096	counter-beam lighting, <in a road tunnel>
	845-31-097	symmetric lighting, <in a road tunnel>
	845-31-098	contrast revealing coefficient, <of a tunnel lighting installation>
	845-31-099	background, <of a sign>
	845-31-100	backing board, <of a sign>
	845-31-101	border, <of a sign>
	845-31-102	element, <of a sign face>
	845-31-103	element size, <of a sign face>
	845-31-104	comprehensibility, <of a sign>
	845-31-105	contrast control system
	845-31-106	delineation
	845-31-107	electromechanical matrix variable message sign
	845-31-108	fluorescent sign
	845-31-109	light-emitting variable message sign
	845-31-110	phantom sign
	845-31-111	reflective sign
	845-31-112	variable message sign
	845-31-113	variable message set
	845-31-114	sign plate
	845-31-115	sign geometry
	845-31-116	traffic control device
	845-31-117	transilluminated display
	845-31-118	optical system, <of a light-emitting sign>
	845-31-119	fixed message set, <of a variable message sign>
	845-31-120	float light
	845-31-121	conspicuity of a sign
	845-31-122	legibility distance, <of a sign>
	845-31-123	legibility distance under rapid glance conditions, <of a sign>
	845-31-124	character height
	845-31-125	character matrix
	845-31-126	character separation
	845-31-127	legend
	845-31-128	legibility
	845-31-129	"x" height
	845-31-130	label
	845-31-131	readability
	845-31-132	symbol
	845-31-133	visibility, <of a sign>
	845-31-134	visual guidance
	845-31-135	washout
	845-31-136	local control
	845-31-137	spread, <in road lighting>
	845-31-138	longitudinal direction, <of a road>
	845-31-139	transverse direction, <of a road>
	845-31-140	installation azimuth, <in road lighting>
	845-31-141	longitudinal uniformity of road surface luminance
	845-31-142	overall uniformity of road surface luminance
	845-31-143	diversity
	845-31-144	surround ratio
	845-31-145	threshold increment, <glare evaluation>
	845-31-146	luminance coefficient in diffuse illumination
	845-31-147	meteorological visibility
	845-31-148	light signal
Section 845-32: Imaging
	845-32-001	colorimetric neutral
	845-32-002	single-stimulus colour appearance model
	845-32-003	image colour appearance model
	845-32-004	colour component transfer function
	845-32-005	colour content data, pl
	845-32-006	colour encoding
	845-32-007	colour gamut
	845-32-008	colour gamut boundary
	845-32-009	colour image data, pl
	845-32-010	standard original-referred colour image data, pl
	845-32-011	standard output-referred colour image data, pl
	845-32-012	standard scene-referred colour image data, pl
	845-32-013	colour image encoding
	845-32-014	colour management
	845-32-015	colour patch
	845-32-016	colour reproduction medium
	845-32-017	colour re-rendering
	845-32-018	colour space encoding
	845-32-019	device-dependent colour space
	845-32-020	corresponding colour reproduction model
	845-32-021	digital imaging system
	845-32-022	display input/output characteristic
	845-32-023	display surface
	845-32-024	display surround, <in image technology>
	845-32-025	image background
	845-32-026	single-stimulus background
	845-32-027	luminance ratio, <of a scene or an image>
	845-32-028	luminance ratio, <of an output device>
	845-32-029	luminance contrast ratio, <of a display>
	845-32-030	white point, <of a display illuminant>
	845-32-031	medium white point
	845-32-032	medium black point
	845-32-033	adopted white point, <colour appearance model>
	845-32-034	ambient white point, <of a display>
	845-32-035	ambient illuminance level, <of a display>
	845-32-036	flat panel display
	845-32-037	LCD
	845-32-038	LCD display
	845-32-039	plasma display panel
	845-32-040	OLED display
	845-32-041	electro-optical conversion function
	845-32-042	extended gamut
	845-32-043	film rendering transform
	845-32-044	film unrendering transform
	845-32-045	hardcopy
	845-32-046	softcopy
	845-32-047	profile connection space
	845-32-048	ICC file format
	845-32-049	ICC profile connection space
	845-32-050	image state
	845-32-051	original-referred image state
	845-32-052	output-referred image state
	845-32-053	picture-referred image state
	845-32-054	scene-referred image state
	845-32-055	ISO digital still camera dynamic range
	845-32-056	line separation
	845-32-057	multispectral image capture
	845-32-058	adopted white, <image capture>
	845-32-059	opto-electronic conversion function
	845-32-060	pixel
	845-32-061	preferred reproduction model
	845-32-062	reference medium
	845-32-063	rendering intent
	845-32-064	spectral basis functions, pl
	845-32-065	sRGB colour space
	845-32-066	veiling glare, <imaging>
	845-32-067	viewing flare
	845-32-068	white balance