Central retinal artery occlusion in Crohn disease.

Crohn disease is an inflammatory bowel disease frequently associated with extraintestinal manifestations. Ocular manifestations are uncommon but may cause significant morbidity, including blindness. We report the first case of a 9-year-old boy with biopsy-proven Crohn disease who developed a cilioretinal artery-sparing central retinal artery occlusion. After 2 months of follow-up, the patient developed optic atrophy with no change in visual acuity.