Congratulations to the winner of our December quiz, Italia Andrea, MD, Piacenza, Italy. The correct answer to our December challenge was hypercalcaemia. For a complete discussion of this case, see the Photo Essays section in the January ARCHIVES (Abeysiri P, Sinha A. An unusual pattern of corneal calcification in tertiary hyperparathyroidism. Arch Ophthalmol. 2006;124:138-139).
Be sure to visit the Archives of Ophthalmology 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 be able to choose one of the following books published by AMA Press: Clinical Eye Atlas, Clinical Retina, or Users' Guides to the Medical Literature.