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KMID : 1011420140190040513
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Journal of Korean Ophthalmic Optics Society
2014 Volume.19 No. 4 p.513 ~ p.518
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A Study on Color Distortion according to Colors and Luminous Transmittance of Lenses using Word-color Test
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Lee Gyeong-Sun
Jung Su-A
Kim Chang-Jin
Yang Seok-Jun
Oh Sang-Young
Jeon Byoung-Jin
Kim Hyun-Jung
Choi Eun-Jung
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Abstract
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Purpose: This study was to investigate color distortion by colors and luminous transmittance of lenses with word-color test included in computerized neurocognitive function test (CNT).
Methods: 32 subjects aged 21.97±1.58 years with no ocular disease and color vision deficiency were selected. Four colors of tinted lenses, which were red, green and blue included in the primary colors of light and pink, and word-color test in CNT to evaluate changes in cognitive function by color distortion were used.
Results: Response time was not significantly increased in green, blue, and pink among four colors, but significantly increased in only red color. And response time was significantly increased below 46% of luminous transmittance in red color.
Conclusions: It should be cautious and careful of the red-tinted lens choice because red color with below 46% of luminous transmittance can distort colors of objects, and it could be related to safety problem. It is suggested that word-color test could be extensively used for further studies on color recognition.
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KEYWORD
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Color distortion, Computerized Neurocognitive Function Test (CNT), Word-color test, Colors of lenses, Luminous transmittance
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