Walsh & Hoyt: Nonorganic Disease Affecting the Afferent Visual Pathway

Nonorganic disease that affects the afferent visual system is the most common manifestation of this disorder. It may occur as monocular or binocular decreased visual acuity, abnormal visual fields, or both. Color vision often is abnormal in such patients (depending on the manner in which it is tested), but abnormal color vision is rarely a primary complaint. Decreased visual acuity. Visual field defects. Monocular diplopia.