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一、发病情况 1975年以来,我们诊治高原雪盲病人96例,男90例,女6例;战士84例,干部6例,地方群众6例;汉族88例,藏族8例;年龄18～35岁。发病前均是在雪地内未戴有色防护眼镜的情况下,较长时间的工作(如施工和训练)而发病。潜伏期一般2～6h。96例病人中,单纯性结膜、角膜炎94例,2例继发虹膜睫状体炎。一般病程2～7d。预后良好,角膜、结膜不留下任何痕迹。二、防治工作 1.雪盲病人来就诊时,双眼疼痛十分剧烈,睑痉挛,羞明,精神紧张,担心影响视力。诊断明确后,首先给予0.5%地卡因和0.1%肾上腺素混合液滴眼,减轻眼部疼痛和结膜充血,但不能用得太多,以免影响角膜炎的吸收。同时,在精神上给予疏导,向病人解释雪盲发生的原理和防治方法及预后,
First, the incidence Since 1975, we diagnosed and treated 96 patients with snow-blind patients in the plateau, 90 males and 6 females; soldiers 84 cases, cadres in 6 cases, local masses in 6 cases; 88 cases of Han, Tibetan 8 cases; aged 18 to 35 years . Pre-onset are in the snow without colored protective goggles, longer working hours (such as construction and training) and disease. The incubation period is generally 2 ~ 6h. In 96 patients, simple conjunctiva, keratitis in 94 cases, 2 cases of secondary iridocyclitis. The general course of 2 ~ 7d. Good prognosis, corneal, conjunctiva does not leave any traces. Second, prevention and treatment 1. Blind patients come to the clinic, the eyes pain is very intense, blepharospasm, shame, nervous, worried about affecting vision. After the diagnosis is clear, first give 0.5% tetracaine and 0.1% epinephrine mixed eye drops to reduce eye pain and conjunctival hyperemia, but can not be used too much, so as not to affect the absorption of keratitis. At the same time, mentally to ease, explain to the patient the principle of snow blight and prevention methods and prognosis,