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Examination of the need to match Purkinje images in toric IOL insertion with VERION® Toshihiro Yanagawa 1 1Yanagawa Eye Clinic pp.779-784
Published Date 2021/6/15
DOI https://doi.org/10.11477/mf.1410214017
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Abstract Purpose:To report the necessity of matching the Purkinje images when aligning the toric intraocular lens(IOL)with VERION®.

Subject and method:Twenty-four eyes with toric IOLs inserted are taken as the subjects. The Purkinje image was matched by the inserted I/A. In that state, the IOL was aligned at the tip of the I/A and photographed using VERION®(Group A). After removing the I/A, the image was taken again in the free eye position(Group B). The angle between the VERION projection line and the axis mark was measured from the images of Groups A and B. The distribution of the angle difference between the two was examined and the Wilcoxon signed rank sum test was performed.

Results:The angular difference between Groups A and B ranged from 0°to 1.7°(mean 0.77±0.54°). Of the subjects, 15/24(62.5%)had an angular difference of less than 1°. There was no significant difference between Groups A and B.(p=0.121)

Conclusion:VERION® alignment of toric IOL may not require matching Purkinje images.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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