Limitation in visual functions.

Visual impairments limiting one or more of the basic functions of the eye: visual acuity, dark adaptation, color vision, or peripheral vision. These may result from EYE DISEASES; OPTIC NERVE DISEASES; VISUAL PATHWAY diseases; OCCIPITAL LOBE diseases; OCULAR MOTILITY DISORDERS; and other conditions (From Newell, Ophthalmology: Principles and Concepts, 7th ed, p132).

Synonyms: Vision Disability, Metamorphopsia, Vision Disorder, Visual Disorders, Impairments, Visual, Macropsias, Hemeralopias, Visual Impairment, Impairment, Visual, Disability, Vision, Vision Disabilities, Micropsia, Macropsia, Disabilities, Vision, Visual Impairments, Blindness, Day, Disorders, Visual, Vision Disorders, Day Blindness, Visual Disorder, Micropsias, Hemeralopia, Disorder, Visual, Metamorphopsias