Congratulations to the winner of our April quiz, Laura Howard, MD, Kings Eye Center, Hanford, California. The correct answer to our April challenge was acute posterior multifocal placoid pigment epitheliopathy. For a complete discussion of this case, see the Letters: Research Letters section in the May Archives (Cheung CMG, Yeo IYS, Koh A. Photoreceptor changes in acute and resolved acute posterior multifocal placoid pigment epitheliopathy documented by spectral-domain optical coherence tomography. Arch Ophthalmol. 2010;128:644-646).