Optic neuritis

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External and internal eye anatomy

Retro-orbital neuritis

• Loss of vision in one eye, over the course of an hour or a few hours
• Changes in the way the pupil reacts to bright light
• Loss of color vision
• Pain when you move the eye

A complete medical examination can help rule out related diseases. Tests may include the following:

• Color vision testing
• MRI of the brain including special images of the optic nerve
• Visual acuity testing
• Visualization of the optic disc by indirect ophthalmoscopy

Review Date: 08/29/2009
Reviewed By: Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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