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http://dx.doi.org/10.15207/JKCS.2018.9.12.273

The contrast sensitivity change of circle contact lens's color by refraction error and illuminance  

Kim, Bo-Yun (Dept. of Ophthalmic Optics, Jeju Tourism University)
Jung, Mi-A (Dept. of Optometry, Yeoju Institute of Technology)
Lee, Eun-Hee (Dept. of Visual optics, Far East University)
Publication Information
Journal of the Korea Convergence Society / v.9, no.12, 2018 , pp. 273-279 More about this Journal
Abstract
This study researched how the refraction error and illumination influence to contrast sensitivity when we wear the circle contact lenses. The study population comprised 16 students and adults(5 of Male, 11 of Female). The study population comprised 16 students and adults(5 of Male, 11 of Female), We measured the contrast sensitivity on uncorrected vision, according to color of circle contact and change the illumination of laboratory. The contrast sensitivity by illumination decreased than unaided vision when they wore the color contact lenses and more increased mesopic than photopic. Compared between black and brown lenses, brown was higher the contrast sensitivity than black. Also emmetropia had significantly differences when we compared the contrast sensitivity of subjects who had emmetropia, myopia and myopia astigmatism whether refractive error has or not. Therefore, it is important to provide sufficient understanding and recognition of color contact lenses.
Keywords
Circle contact lenses; Refraction error; Illumination; Contrast sensitivity; Convergence;
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