Congratulations to the winner of our March quiz, Pawan Prasher, MD, Department of Ophthalmology, UT Southwestern, Dallas, Texas. The correct answer to our March challenge was Stargardt macular dystrophy. For a complete discussion of this case, see the Photo Essays section in the April Archives (Gerth C, Zawadski RJ, Choi SS, Keltner J, Park S, Werner J. Visualization of lipofuscin accumulation in Stargardt macular dystrophy by high-resolution Fourier-domain optical coherence tomography. Arch Ophthalmol. 2006;125:575).