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KMID : 0360220120530010043
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Journal of the Korean Ophthalmological Society
2012 Volume.53 No. 1 p.43 ~ p.48
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Comparative Study of Clinical Outcomes between 2 Types of 3-Piece Aspheric Intraocular Lenses
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Lee Jun-Won
Kim Jae-Hun
Kim Eung-Kweon
Kim Tae-Im
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Abstract
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Purpose: To compare postoperative clinical outcomes between 2 types of 3-piece aspheric intraocular lenses.
Methods: Uncorrected visual acuity, best corrected visual acuity, total ocular and internal ocular aberration including higher- order aberrations and spherical aberration, and modulation transfer functions were compared 6 months after cataract surgery between eyes implanted with TECNIS ZA9003 (group 1) and HOYA PC-60AD (group 2) in 30 and 28 eyes, respectively, In addition, the differences between postoperative spherical equivalent and preoperative target refractive errors were analyzed.
Results: Clinical outcomes showed no significant differences between both groups including visual acuities, high order aberrations, and modulation transfer function. In both groups, postoperative refractive errors were more of a myopic state than preoperative estimated target refraction. The myopic refractive error between both groups showed no significant difference (-0.26 vs. -0.42 diopter, p = 0.75).
Conclusions: The newly developed 3-piece aspheric IOL, HOYA PC-60AD shows similar clinical outcomes compared with the widely used 3-piece IOL TECNIS ZA9003.
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KEYWORD
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High order aberration, Modulation transfer function, Spherical aberration, 3-piece intraocular lens
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