vision

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vision chromatic vision color vision diplopia double vision facial vision field of vision line of vision low vision night vision persistence of vision scotopic vision tunnel vision twilight vision visual field

Main Entry: vi·sion
Pronunciation: vizh-n
Function: noun
1 : the act or power of seeing : SIGHT
2 : the special sense by which the qualities of an object (as color, luminosity, shape, and size) constituting its appearance are perceived through a process in which light rays entering the eye are transformed by the retina into electrical signals that are transmitted to the brain via the optic nerve