PURPOSE OF REVIEW: Multiple sclerosis is an autoimmune demyelinating disorder of the nervous system that is commonly manifested by visual system involvement and that may initially present with ophthalmologic symptoms. This paper reviews recent findings regarding the ocular manifestations in multiple sclerosis. RECENT FINDINGS: Manifestations of multiple sclerosis in the eye include both the afferent and efferent visual pathways. Optic neuritis, the most common ocular manifestation of multiple sclerosis, may be the initial clinical disease manifestation. Recent long-term follow-up data show that most patients with demyelinating optic neuritis have an excellent prognosis for recovery of central visual acuity. Evidence is emerging, however, for significant and broad reduction in both contrast sensitivity and color perception in multiple sclerosis patients despite near-normal visual acuities. Ocular motor deficits in multiple sclerosis include internuclear ophthalmoplegia and nystagmus, resulting in diplopia, oscillopsia, blurred visual, loss of stereopsis, and reading fatigue. Multiple sclerosis also may be associated with ocular inflammatory diseases, in particular pars planitis and retinal periphlebitis. SUMMARY: Ocular findings may be initial manifestations of multiple sclerosis and may predict additional demyelinating events. Recognizing these syndromes and signs will help clinicians to properly evaluate the patient, formulate an appropriate differential diagnosis, be able to discuss the prognosis with the patient, and help develop an effective therapeutic plan.
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