Anterior Ischemic Optic Neuropathy (AION): Color Vision and Visual Evoked Potential Patterns

Forty-nine patients with non-arteritic AION, bilateral in 16 and unilateral in 33, were evaluated by testing visual acuity (VA), visual fields, color vision and visual evoked potentials (VEP). VA was 20/70 or better in 70% of involved eyes