Congratulations to the winner of our March quiz, Theodore K. Lin, MD, Vitreoretinal Fellow, Department of Surgery, Section of Ophthalmology and Visual Sciences, University of Chicago, Chicago, Illinois. The correct answer to our March challenge was Norrie disease. For a complete discussion of this case, see the Letters: Research Letters section in the April Archives (Shima C, Kusaka S, Kondo H, Hasebe H, Fujikado T, Tano Y. Lens-sparing vitrectomy effective for reattachment of newly developed falciform retinal detachment in patient with Norrie disease. Arch Ophthalmol. 2009;127:579-580).