Synavvikelser som begränsar en eller flera av ögats grundfunktioner: synskärpa, mörkerseende, färgseende eller periferiseende. De kan orsakas av ögonsjukdomar, synnervssjukdomar, sjukdomar i synbanorna, sjukdomar i nackloben, okulära motilitetsrubbningar och andra tillstånd.
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).
Synskador — Synnedsättningar — Makropsi — Mikropsi — Dagblindhet — Hemeralopi — Metamorfopsi — Synstörningar — Dagblind
Vision Disorder — Visual Disorders — Disorder, Visual — Disorders, Visual — Visual Disorder — Macropsia — Macropsias — Visual Impairment — Impairment, Visual — Impairments, Visual — Visual Impairments — Micropsia — Micropsias — Vision Disability — Disabilities, Vision — Disability, Vision — Vision Disabilities — Hemeralopia — Hemeralopias — Day Blindness — Blindness, Day — Metamorphopsia — Metamorphopsias