저자들은 노인성 백내장의 형태학적 역학을 보기 위해 서울의 일부지역을 선택하여(도봉구) 안과적 검사를 실시하였다. 이는 단지 안구전체를 대상으로 하는 전반역학조사의 기초자료로서의 역할인바 다음과 같은 결과를 얻었다. 피검자 100명(남자 39명, 여자 61명)은 40세 이상으로 91명이 수정체 혼탁을 보였는데, 그 정도는 다양하였으며 이환은 여자가 약간 높게 나타났다. 시기별 분류상 미숙백내장이 가장 많았으며 형태별로는 피질, 혼합형, 후낭하 등의 순으로 많게 나타났다. 나이가 듦에 따라 이환율이 높았으며 80대에선 100%였다.
The epidemiological study to evaluate the prevalence rate and the morphological classification was performed in Do Bong-Gu, Seoul from May 9, 1989 to May 25, 1989. However, this report was a part of preliminary data to make a further population based epidemiological study to evaluate the prevalence rate morphological classification of the age-related cataract in Korea. The results of this study are as follow: 1. The total examinees were 100; 39 male and 61 female, and they were over 40 years of age who complained of recent visual acuity decrement. 2. 91 persons had lens opacity in different degree. 3. The prevalence rate of cataract was 89.7% in male and 93.4% in female and the sexual difference shows that the female had more higher frequency of lens opacity. 4. The classification of lens opacity according to the stage showed that the immature cataract was the most frequent type. The cortical cataract was the most frequent type and the mixed type was second in order by the morphological classification. 5. The prevalence rate of cataract in age had strong tendency to increase in older age and in 80s the rate was in 100%.
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