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KMID : 1011420130180020173
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Journal of Korean Ophthalmic Optics Society
2013 Volume.18 No. 2 p.173 ~ p.178
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Relationship between Uncorrected Visual Acuity and Refraction of the Children and Teenagers
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Kim Sang-Moon
Shim Hyun-Suk
Shim Jun-Beom
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Abstract
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Purpose: This study is to predict refractive errors according to uncorrected visual acuity using uncorrected visual acuity of the first glasses wearers. Methods: For 886 children who visited an ophthalmic clinic, subjective refraction was carried out with maintain refraction (MR) and cycloplegic refraction (CR), and objective refraction was carried out using auto-refractometer. Uncorrected visual acuity and corrected visual acuity were tested using on a trial lens and a Han`s visual acuity chart. Results: In correlation between with the uncorrected visual acuity and refractive the myopia was the highest (r=0.774) and followed by hyperopia (r=0.670), simple astigmatism (r=0.623), simple with-the-rule astigmatism (r=0.604)and simple against-the-rule astigmatism (r=0.508). Conclusions: There were differences in the predictions between uncorrected visual acuity and refractive error according to the types of refractive error and astigmatism.
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KEYWORD
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Uncorrected visual acuity, Myopia, Hyperopia, With-the-rule astigmatism, Against-the-rule Astigmatism
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