A Gleam in his eyes

A 5-year-old boy presents to his primary care provider with a 1-week history of a “gleam” that was noticed in the child’s left eye in dim light. His parents do not report any fever or concurrent illnesses. The patient has not taken any recent medications (except for multivitamins). His parents deny any history of allergies and his vaccination schedule is up to date. The patient was born full-term and has no siblings. The family history is significant only for maternal gestational diabetes and hypothyroidism. There is no parental consanguinity. Continue reading