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1 临床资料 患者,男,42岁,摄影师。于1997年4月赴新疆喀什地区中巴边境拍摄雪山风景时,因多次长时间凝视雪景,二天后感觉右眼视物模糊、轻度畏光流泪。立即赴喀什地区医院就诊,诊断不明。一周后来我院就诊。查体:全身未见异常。眼部检查:视力右4.6、左5.2,右眼视力不能矫正。双眼眼前节未见异常。眼底:右眼视盘边界清楚,色泽正常、视网膜血管形态比例未见异常,黄斑部呈暗红色,中心凹反光消失,周围无水肿渗出。左眼黄斑部未见异常。2 讨论 日常生活中,造成黄斑部病变的为日光中的波长为400～800nm的可见光和波长为800～1050nm的红外线。紫外线大部分被角膜吸收,剩余部分被晶状体吸收。所以紫外线一般不
1 clinical data patient, male, 42 years old, photographer. In April 1997, when I went to shoot the snow-capped mountains landscape on the border between China and Pakistan in the Kashgar region of Xinjiang, I stared at the snow for a long time. After two days, I felt the eyes of the right eye were blurred and mildly photophobia wept. Kashi region immediately to the hospital for treatment, diagnosis is unknown. A week later to our hospital. Physical examination: the body did not see abnormalities. Eye examination: right eye 4.6, left 5.2, right eye vision can not be corrected. Eyes anterior segment no abnormalities. Fundus: Right eye disc border clear, normal color, no abnormal retinal vascular morphology, macular dark red, foveal reflex disappeared, around the no effusion. Left eye macular no abnormalities. 2 Discussion Daily life, resulting in macular degeneration in sunlight is the wavelength of 400 ~ 800nm visible light and the wavelength of 800 ~ 1050nm infrared. Ultraviolet rays are mostly absorbed by the cornea and the rest are absorbed by the lens. So UV generally not