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KMID : 1011420130180020197
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Journal of Korean Ophthalmic Optics Society
2013 Volume.18 No. 2 p.197 ~ p.202
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Scotopic Pupil Size in Myopes
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Jeong Woo-Jae
Jeon In-Chul
Kang Ji-Hun
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Abstract
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Purpose: This research was performed to measure and analyze scotopic pupil size in myopes and to figure out the factors that influence it. Methods: The pupil size of 191 healthy myopic subjects were measured with the pupillometer (Colvard pupillometer, OASIS medical, USA) in scotopic and analyzed with the age, corneal size, spherical equivalent refractive error, corneal curvature. In addition, it was compared with the measurements of intra-examiner and inter-examiner to verify reproducibility of pupillometer. Results: The mean (±SD) scotopic pupil size was 6.64±0.68 mm (range, 5.00∼8.00 mm), the lower age and the larger corneal size, The bigger the pupil size. The lower spherical equivalent refractive error and steepper corneal curvature tends to be smaller. The reproducibility of intra-examiner and inter-examiner in pupillometer showed the reliability highly (Guttman splithalf point > 0.91). Conclusions: The pupil size associated with age, corneal size, spherical equivalent refractive error and corneal curvature in scotopic condition. It can refer to prevent inconvenience that may occur RGP contact lenses, cataract surgery and refractive surgery.
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KEYWORD
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Scotopic Pupil Size, Age, Corneal size, Spherical equivalent refractive error, Corneal curvature, Reproducibility
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