서울시내 초, 중, 고등학교 학동 7,968안을 대상으로 Cycligyl(R) 점안 후 타각적 굴절검사를 실시하고 통계적 처리한 결과 다음과 같은 결론을 얻을 수 있었다. 1. 난시안은 1,624안으로 전체의 20.4%였으며 연령에 따른 난시의 빈도는 6~7세에서 가자아 높았으나(59.4%), 8~9세에서는 24.3%로 감소하였고 연령이 증가할수록 그 빈도는 더욱 감소하였다. 2. 성별에 따른 난시의 빈도, 종류 및 축에는 유의한 차이가 없었다. 3. 12~13세까지는 도난시의 빈도가 많았으나 14~15세부터는 직난시의 빈도가 증가하였고 연령에 따른 난시도수의 변화는 관찰되지 않았다. 4. 난시의 정도는 1.0D이하, 종류는 근시성 난시, 축은 직난시가 가장 많았다. 5. 근시성 난시에서 난시가 심할수록 근시도 심하였다.
In order to elucidate the condition of the astigmatic refractive error and the correlation between astigmatic refractive error and the myopic refractive error, the cycloplegic refraction was performed on 7,968 eyes of school children in Seoul, and the prevalence, type, degree, and the axis of the astigmatism were evaluated. 1. 1,624 of 7,968 eyes(20.4%) had astigmatic refractive error. Among these, the highest incidence was observed at the age of 6~7(59.4%). The incidence was decreased to 24.3% by the age of 8~9 and thereafter the incidence of astigmatic refractive error decreased gradually with age. 2. The sexual difference of prevalance of astigmatic refractive error was not significant. 3. The myopic astigmatism(51.4%) and with-the-rule astigmatism(51.1%) were the most common type. 4. Up to the age of 12~13,the incidence of against-the-rule astigmatism increased with age, whereas after the age of 14~15, the incidence of with-the-rule astigmatism increased. 5. The degree of astigmatism was less than 1.0D in the majority(64.6%). 6. The more the degree of the myopia, the more the degree of the astigmatism.
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