Tracing Isis past Isistory, the patient had ass electrical injury (22000 volts) by his left cheek and right arm, Electrical calaract (OS) was diagnosed.After operation, visual acuity recovered.

• 追溯病史，病人于六个月前左下颚及右手臂曾遭22000伏特电击伤害，经诊断为电击性白内障，手术后视力良好。