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KMID : 0360220120530111603
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Journal of the Korean Ophthalmological Society
2012 Volume.53 No. 11 p.1603 ~ p.1608
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The Efficacy of KR-1W Aberrometer in Assessing the Astigmatism after Toric Intraocular Lens Implantation
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Kim Sang-Won
Han Sang-Youp
Lee Kyung-Heon
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Abstract
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Purpose: To evaluate the efficacy of the KR-1W aberrometer in assessing the astigmatism and the achieved axis after AcrySof Toric intraocular lens (IOL) implantation.
Methods: Thirty-nine patients (48 eyes) that had undergone phacoemulsification and AcrySof Toric IOL implantation were included in the present study. At postoperative 1 month, ocular aberrations of all the eyes were measured using the KR-1W aberrometer before mydriasis and the achieved axis of AcrySof Toric IOL was measured by slit lamp examination after mydriasis. The achieved axis measured by slit lamp examination and the astigmatism of the implanted AcrySof Toric IOL were compared with the KR-1W.
Results: The mean achieved lens axis after mydriasis measured by slit lamp examination and KR-1W was 86.43 ± 47.49 degrees and 88.93 ± 41.22 degrees, respectively. The correlation coefficient of the 2 methods was 0.992 (p < 0.001). The measured astigmatism according to the AcrySof Toric IOL model was 1.11 ± 0.47D in SN60T3, 1.71 ± 0.51D in SN60T4, and 3.32 ± 0.78D in SN60T5.
Conclusions: Without the need to directly evaluate the axis of implanted Toric IOL after mydriasis, the achieved lens axis can be measured by the KR-1W without mydriasis. The AcrySof Toric IOL model could be assessed by the KR-1W without information about the AcrySof Toric IOL model.
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KEYWORD
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Aberrometer, AcrySof, Astigmatism, KR-1W, Toric Intraocular Lens
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