Congratulations to the winner of our July quiz, Arun Lakshmanan, MS, DNB, FRCS, MRCOphth, Department of Ophthalmology, Queens Medical Centre, Nottingham, England. The correct answer to our July challenge was cerebrotendinous xanthomatosis. For a complete discussion of this case, see the Small Case Series section in the August Archives (Monson DM, DeBarber AE, Bock CJ, et al. Cerebrotendinous xanthomatosis: a treatable disease with juvenile cataracts as a presenting sign. Arch Ophthalmol. 2011;129:1087-1088).