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KMID : 1159320160180020167
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Korean Journal of Vision Science
2016 Volume.18 No. 2 p.167 ~ p.174
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An Effect of Extract of Perilla frutescens Britton var. acuta Kudo on Changes in Refractive Error
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Jeong Kyeong-In
Ryu Geun-Chang
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Abstract
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Purpose: To evaluate the effect of Extract of Perilla frutescens Britton var. acuta Kudo on Changes in Refractive Error.
Methods: The subjects were 30 male and female who do not have eye disease and systemic diseases and over ?3.00 D of spherical equivalent refractive error. Extract of Perilla frutescens Britton var. acuta Kudo and control group, placebo were dosed at separate try. After 2 hours later, subjects were directed perform visual display terminal (VDT) work for 2 hours. Objective refractive error was measured before dosing extract of Perilla frutescens Britton var. acuta Kudo and after
VDT work for 2 hours.
Results: Effcet in terms of spherical equivalent refractive error for dominant eye was decreased by ?0.155±0.27 D, non dominant eye was decreased by ?0.163±0.28 D in the group of extracted Perilla frutescens Britton var. acuta Kudo. In addition, effcet in terms of spherical equivalent refractive error for dominant eye was increased by +0.133±0.27 D (p=0.01), non dominant eye was increased by +0.120±0.25 D (p=0.01) in the group of placebo.
Conclusions: Extracted Perilla frutescens Britton var. acuta Kudo was significantly inhibited if the mean spherical equivalent refraction error compared to placebo. It will indicate a positive effect on the decreased vision improvement. It is considered that Perilla extract be a meaningful future additional research related to the eye.
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KEYWORD
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Perilla frutescens Britton var, acuta Kudo, Refractive Error, VDT, Objective refraction
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