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A 25-year-old female comes in complaining of a painful right eye and decreased vision of one day duration.  The patient admits to being a contact lens user, but she is not wearing them now.

1.	Which of the following examination techniques will be MOST useful in diagnosing the above condition:
	a. tonometry b. B-scan c. corneal scraping or biopsy d. examination of the fellow eye e. none of the above
2.	What pathologic characteristic would you expect to see in the above patient's cornea?
	a. cysts and trophozoites in the corneal stroma b. diffusely thickened Descemet’s membrane with focal, anvil-shaped excrescences of basement membrane material c. tear in Descemet’s membrane d. diffusely thickened Descemet’s membrane with atrophic or absent endothelium e. none of the above
3.	What is the BEST treatment for this condition at this time?
	a. topical antimicrobial agents b. hard or gas-permeable contact lens c. topical hypertonic agents d. immediate penetrating keratoplasty e. none of the above

For answers to the above, click here on or after July 21, 2009.