Fundus examination revealed multiple microaneurysm, hard exudate, and macular edema in the left eye; an abnormal vascular segment across the macular region was found in the right eye.

• 双眼萤光眼底摄影发现左眼有明显的柯氏症毛细血管扩张与染料渗漏，右眼无染料渗漏现象。