Journal of Korean Ophthalmic Optics Society (한국안광학회지)

The Korean Ophthalmic Optics Society (한국안광학회)
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Prevalence of Cataract with Different Type of Lens Opacity in the Korean Population

한국 성인의 수정체 혼탁 유형에 따른 백내장의 유병률

  • Kim, Hyojin (Dept. of Visual Optics, Division of Health Science, Baekseok University)
  • 김효진 (백석대학교 보건학부 안경광학과)
  • Received : 2012.10.15
  • Accepted : 2013.03.16
  • Published : 2013.03.31
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Abstract

Purpose: This study calculated the prevalence of cataract in Korean and examined corrected eyesight with different types of opacification of crystalline lens. Methods: Using the data of the national health and nutrition examination survey (NHANES), population-based and cross-sectional research were designed in this study. After dividing total 4,977 persons into different groups by age, from 40 to 95 and by sex, the prevalence of cataract with different types of opacification was investigated. The average age of the total subjects was $58.28{\pm}12.07$, and the number of men and women were 2,142(43.0%) and 2,835(57.0%), repectively. Eyesight was calculated when it was less than 0.63. Results: Among total 4,977 subjects, 40.6% (men 17.5%, women 23.1%) had cataract. Different prevalence rates were found with different types of cataract; nuclear cataract (56.3%), cortical cataract (23.4%), mixed cataract (16.2%), anterior subcapsular(3.0%), and posterior subcapsular (1.1%) in order. There was no difference among men and women by the types. And those in their 40's showed a higher prevalence of cortical cataract than those in the other age groups. Most of subjects whose corrected eyesight is less than 0.63 had anterior subcapsular cataract. Conclusions: The type of cataract having the highest prevalence was nuclear opacity. Moreover, epidemiologic investigation and prevention policy with different type of lens opacity seems to be required.

목적: 40세 이상 한국 성인남녀에서 수정체의 혼탁 종류에 따른 백내장의 유형별 유병률을 산출하고 교정시력을 알아보았다. 방법: 제4기 국민건강영양조사(NHANES) 중 2009년 자료를 이용하여 인구 기반 단면 연구로 디자인하였다. 40세-95세까지 총 4,977명에 대해 연령과 성별에 따라 층화하여 백내장의 유병률과 수정체 혼탁의 종류에 따른 유병률을 조사하였다. 전체 대상자의 평균 연령은 $58.28{\pm}12.07$세 였고, 남자가 2,142명(43.0%), 여자가 2,835명(57.0%)이었다. 교정시력은 0.63 미만인 경우를 산출하였다. 결과: 전체대상자 4,977명 중에서 현재 백내장이 있는 경우는 40.6%(남자 17.5%, 여자 23.1%)로 나타났다. 백내장의 유형별 유병률은 핵형(56.3%), 피질형(23.4%), 혼합형(16.2%), 전낭하(3.0%), 후낭하(1.1%) 순으로 나타났다. 유형별 남녀의 차이는 없었고, 모든 연령대에서 핵형이 가장 많았다. 전낭하 백내장은 대부분의 경우에서 교정시력이 0.63 미만으로 낮았다. 결론: 핵형 백내장의 유병률이 가장 높았고, 수정체의 혼탁을 고려한 역학 연구와 예방 정책의 수립이 필요할 것으로 사료된다.

Keywords

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