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KMID : 1011420130180010085
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Journal of Korean Ophthalmic Optics Society
2013 Volume.18 No. 1 p.85 ~ p.91
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Difference between Manifest Refraction (MR) and Cycloplegic Refraction (CR) with Age and Myopic Value
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Jeong Woo-Jae
Kang Ji-Hun
Jeon In-Chul
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Abstract
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Purpose: The purpose of this study is to investigate difference between manifest refraction (MR) and cycloplegic refraction (CR) with age and myopic value. Methods: Manifest and cycloplegic refractions were carried out on the patients of 229 myopic patients (25.3±11.9 years old). Results: The average results from a pre- and a postcycloplegic refraction showed a reduction of 0.19 D in myopia, 0.02 D in astigmatism and 1.85o in astigmatism direction. Change of myopic value was higher in 30~40 age. Total 73 eyes of 229 patients who showed 0.50 diopter (D) in spherical, and a high degree of myopia group showed a higher discrepancy rate. Conclusions: The results found in the comparison of the value of the manifest refraction and cycloplegic refractions showed changes of myopic value was not significant with age of patient, but the group of high degree of myopia showed higher discrepancy rate.
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KEYWORD
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Manifest refraction, Cycloplegic refraction, Myopia, Age, Discrepancy rate
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