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Photos courtesy of: Carol L. Shields, M.D. Used with permission. Not to be reproduced.

A 25-year-old woman complained with a history of redness and irritation in the right eye for the past week. There was a history of penetrating eye injury, one year ago. On examination, her best visual acuity was 20/400 in right eye and 20/25 in left eye. Left eye was unremarkable. Right eye slit lamp picture is shown above.

1.	What is your clinical diagnosis?
	a. iris stromal cyst [congenital] b. iris pigment epithelial cyst [mid-zonal] c. iris pigment epithelial cyst [peripheral] d. iris stromal cyst [acquired]
2.	How can you best investigate this patient for diagnosis?
	a. history and B-scan b. history and slit lamp examination c. history and ultrasound biomicroscopy (UBM) d. slit lamp examination is sufficient
3.	What cannot be done to manage this case?
	a. observation b. aspiration c. excision d. YAG laser

For answers to the above, click here on or after December 2, 2008.