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Photo courtesy of: Patrick Ma, M.D. Used with permission. Not to be reproduced.

A 30-year-old woman with decreased vision in both eyes is diagnosed with pars planitis.

The most likely cause for her vision loss is:

a. cystoid macular edema b. retinal detachment c. glaucoma d.  optic neuropathy

For answers to the above, click here on or after December 27, 2005.