Neuro-ophthalmologic presentations of functional visual disorders

Functional or nonorganic visual loss is a common problem that requires an active diagnosis. A complete neuro-ophthalmologic examination of the afferent and efferent visual system is essential to eliminate the possibility of organic causes of visual loss. With a sound knowledge of the anatomic, physiologic, and optical basis of the tests used to evaluate the visual pathway, the physician can detect the inconsistencies in visual performance that secure the diagnosis. The majority of patients will resolve their symptoms with time and reassurance.