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Arch Ophthalmol. 2002;120:1306.

Congratulations to the winner of our February quiz, Luigi Capasso, MD, Il Università degli Studi di Napoli, Naples, Italy. The correct answer to our February challenge was calcium deposition. For a complete discussion of this case, see the Clinicopathologic Reports, Case Reports, and Small Case Series section in the March ARCHIVES (Pandey SK, Werner L, Apple DJ, Gravel J-P. Calcium precipitation on the optical surface of a foldable intraocular lens: a clinicopathological correlations. Arch Ophthalmol. 2002;120:391-393).

Photomicrograph of the explanted opacified Hydroview intraocular lens (Bausch & Lomb, Rochester, NY) showing the confluent deposits on the anterior optical surface. The polymethyl-methacrylate haptics are free of any deposits (original magnification x100).

Be sure to visit the Archives of Ophthalmology World Wide Web site (http://www.archophthalmol.com) and try your hand at our Clinical Challenge Interactive Quiz. We invite visitors to make a diagnosis based on selected information from a case report or other feature scheduled to be published in the following month's print edition of the ARCHIVES. The first visitor to e-mail our Web editors with the correct answer will be recognized in the print journal and on our Web site and will also receive a free copy of the book One Hundred Years of JAMA Landmark Articles.