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KMID : 1159320210230040373
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Korean Journal of Vision Science
2021 Volume.23 No. 4 p.373 ~ p.382
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Analysis of the Relationship between Refractive Error according to Pupil Size and Corneal and Ocular Higher-Order Aberration in Myopia
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Kim Jung-Hee
Lee Sun-Mi
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Abstract
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Purpose : We analyzed factors that affect the difference in refractive error according to the pupil size in myopia groups
Methods : The subjects were 73 adults (73 eyes) aged 18 to 56 who visited optical clinics and had the i.profilerplus (Zeiss, Berlin, Germany) test performed. Subjects were classified as mild, moderate, and high myopia. The difference in spherical equivalent according to the pupil size (3, 5 mm) in each myopia group was compared. Multiple regression was performed to evaluate the factors affecting the difference in refractive error according to pupil size in each myopia group.
Results : The average spherical equivalent was significantly lower at 3mm compared to 5mm in mild (?1.99±0.76 and -1.68±0.72 D), moderate (?4.24±0.97 and -4.04±0.90 D), and high (-8.06±1.51 and -7.95±1.40 D) myopia. Spherical aberration and vertical coma aberration affected the difference in the average spherical equivalent depending on the pupil size in mild and high myopia. In moderate myopia, Spherical aberrations affected the difference in the average spherical equivalent depending on the pupil size in moderate myopia.
Conclusion : Higher-order aberrations may affect the difference in refractive error according to the pupil size. Optometrists understand the possibility of discomfort caused by blurry images at night in myopia and in myopia and prescription glasses.
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KEYWORD
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Coma aberration, Higher-order aberration, Myopic Degree, Refractive error, Spherical aberration
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