The Journal of The Japanese Society for Cataract Research
Online ISSN : 2188-613X
Print ISSN : 0915-4302
ISSN-L : 0915-4302
Articles
A Case with Excessive Deformed End of Haptics of Single Piece Intraocular Lens
Kiyoyuki MajimaKei IchikawaYukihiro SakaiNaohisa NaitouNaoki IsogaiTakahiro KataokaTomoaki NakamuraKazuo Ichikawa
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2017 Volume 29 Issue 1 Pages 72-79

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Abstract

We encountered a case of deformation 1 year after cataract surgery in which the supports were lifted toward the anterior capsule due to excessive contraction of the anterior capsule. We investigated the mechanism of onset of this condition. It was possible to observe the deformed ends of the haptics from the pupillary margin when the pupil was dilated. The intraocular lens (IOL) used in this case was an SA60AT (Alcon) and supportive fixation was performed at the 3 and 9 o'clock positions. The patient's medical history included uveitis caused by sarcoidosis. We measured the circumference of the transverse section of the crystalline lens using preoperative ultrasound biomicroscopy images from 3 to 9 o'clock. Subsequently, we created a simulation image of the IOL insertion into a space whose size was this circumference minus the diameter of the resection port in the anterior capsule in the same direction. The supports did not move along the horizontal axis as a result of contraction of the resection port in the anterior capsule. Rather, they deformed in such a way that they were lifted toward the anterior capsule and eventually assumed a position in which their ends could be observed from the pupillary margin when the pupil was dilated.

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© 2017 Japanese Society for Cataract Research
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