Snow blindness

Japanese: 雪眼炎 - せつがんえん

Also known as snow blindness. Ophthalmia caused by ultraviolet rays reflected from the snow surface when people are in snowy fields for long periods of time without protective glasses. It is a type of electric ophthalmia that occurs in furnace work, electric welding, using germicidal lamps, and sailing under the scorching sun. It is an inflammation of the anterior part of the eye, and symptoms include a foreign body sensation in the eye, glare from light, tearing, pain, eyelid spasms, and conjunctival congestion, but it can be cured in 2 to 3 days with eye drops of vitamin _B2 or glutathione and cold compresses. However, if corneal opacity is present, use dionin eye drops and hot compresses after the pain has subsided.

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

雪眼(ゆきめ)，雪盲(せつもう)とも。雪の野山に長時間保護眼鏡なしにいるとき，おもに雪面から反射する紫外線の作用で起こる眼炎。炉前作業，電気溶接，殺菌灯使用，烈日下の航海中などで起こる電気性眼炎の一つ。前眼部の炎症で，眼に異物感があり，光をまぶしく感じ，流涙，疼痛(とうつう)，眼瞼(がんけん)痙攣(けいれん)，結膜充血などを呈するが，ビタミンB₂やグルタチオンの点眼と冷罨法(あんぽう)により２〜３日で治癒。ただし角膜混濁のあるときは，疼痛消失後ジオニン点眼と温罨法を行う。

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