Journal of the Korean Ophthalmological Society 2004;45(7):1141-1149.
Published online July 1, 2004.
Distribution of Refractive Errors and Quantified Optometric Values in Urban Elementary Fourth Graders in Korea.
JI Eun Kang, Roo Min Jun, Hye Jean Lee, Sang Hyuk Jung, Kyu Ryong Choi
1The Institute of Ophthalmology and Optometry, Department of Ophthalmology, Ewha Womans University College of Medicine, Seoul, Korea. ckrey02@mm.ewha.ac.kr
2Department of Preventive Medicine, Ewha Womans University College of Medicine, Seoul, Korea.
도시 초등학교 4학년의 굴절이상과 안 계측치
강지은 ( JI Eun Kang ) , 전루민 ( Roo Min Jun ) , 이혜진 ( Hye Jean Lee ) , 정상혁 ( Sang Hyuk Jung ) , 최규룡 ( Kyu Ryong Choi )
Abstract
PURPOSE
To assess the distribution of ocular diseases, refractive errors, and quantified optometric values in urban elementary 4th graders in Korea. METHODS: A total of 234 schoolchildren were assessed in a population-based, cross-sectional study. The examination included uncorrected and corrected visual acuity measurements, corneal refractive power measurements using an autokeratometer (KR-8100, Topcon(R) Inc., Japan), ocular motility evaluation, slit-lamp biomicroscopy for the anterior segment and media, the measurements of anterior chamber depth, lens thickness, and axial length using an A-scan ultrasound biometry (A/B-scan system 835, Humphrey(R) Inc., Dublin, CA), retinoscopy under cycloplegia, and fundus examination. RESULTS: The prevalence rates of strabismus, epiblepharon, and amblyopia were 1.3%, 2.6%, and 1.7%, respectively. Mean visual acuity was -0.18 +/- 0.31 LogMAR. The prevalence rates of myopia (or=+1.00 D SE), and anisometropia (SE difference>or=1.00 D) were 46.2%, 7.3% and 5.9%, respectively. The means of corneal refractive power, axial length, and anterior chamber depth were 43.29 +/- 1.45 D, 23.42 +/- 1.26 mm, and 3.29 +/- 0.30 mm, respectively. CONCLUSIONS: We assessed the distribution of ocular diseases, refractive errors, and quantified optometric values in a population-based study. The results showed that increases in the prevalence of reduced vision and myopia are an important public health problem in urban elementary 4th graders in Korea.
Key Words: Anterior chamber depth;Axial length;Ocular diseases;Refractive errors


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