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A 42-year-old man presents with several episodes of acute ocular pain, tearing, and photophobia which occurs immediately upon waking and improves throughout the day.  On today's examination,  focal roughening of the corneal epithelium with microcysts is seen.

This is most likely due to:

a. herpes simplex virus b. epithelial basement membrane disorder c. anterior uveitis d.  Fuch's dystrophy

For answers to the above, click here on or after March 7, 2006.