Definition: | condition of vision in which there is discomfort or a reduction in the ability to see details or objects, caused by an unsuitable distribution or range of luminance, or to extreme contrasts
NOTE – In Russian, the terms 845-02-52 to 57 relate to the properties of the light sources and other luminous surfaces which disturb the condition of vision, and not to the changed condition of vision caused by an unsuitable distribution of luminance in the visual field.
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