Congratulations to the winner of our January quiz, Michael Sullivan-Mee, OD, Optometric Education, Albuquerque VA Medical Center, Eye Clinic, Albuquerque, New Mexico. The correct answer to our January challenge was mucolipidosis. For a complete discussion of this case, see the Clinicopathologic Reports, Case Reports, and Small Case Series section in the February Archives (Heroman JW, Rychwalski P, Barr CC. Cherry red spot in sialidosis [mucolipidosis type I]. Arch Ophthalmol. 2008;126:270-271).