西藏翼状胬肉的流行病学调查

目的:通过对西藏地区翼状胬肉的流行病学调查,旨在探讨高原地区翼状胬肉的发病情况以及病因。方法:本文是于2005年3月~2005年9月在西藏拉萨和林芝两地区筛选680例40岁以上正常人群作为样本进行流行病学调查并对结果进行初步分析。结果:西藏地区40~80岁人群中翼状胬肉患病率为22.79%,拉萨和林芝两地区干眼症患病率经统计学处理P(0.05,差异有统计学意义,男女两组比较P(0.01,差异有统计学意义。并发现西藏地区干眼症患病率女性明显高于男性。结论:翼状胬肉患病率增高与西藏紫外线过强和环境恶劣、气侯干燥、高寒缺氧有关。

Epidemiological investigation of Tibet pterygium

Objective To explore the incidence and cause of Tibet pterygium with the epidemiological survey.Method For 680 cases of normal crowd(>40 years) from areas of Lhasa and Linzhi were chosen between March 2005 and September 2005,and were analyzed preliminarily.Results The pterygium prevalence rate of people aged from 40 to 80 in Tibet area was 22.79﹪.The morbidity of xerophthalmia in the area of Lhasa and Linzhi had remarkable difference(P﹤0.05),as so as male and female in the two areas(P﹤0.01).Conclusion The elevated morbidity of Tibet pterygium is concerned with excessive ultraviolet ray,aggravated circumstance,arid climate and oxygen deficiency.