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Surgical outcome of intrascleral intraocular lens fixation Michie Namba 1 , Mutsuko Kato 1 , Tadashi Nakayama 1 , Yuto Kinoshita 1 1Department of Ophthalmology, Japan Red Cross Okayama Hospital pp.1228-1234
Published Date 2020/10/15
DOI https://doi.org/10.11477/mf.1410213698
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Abstract Purpose:To report and compare the outcomes of scleral fixation of posterior chamber(PC)intraocular lens(IOL)by a technique of T-fixation versus capsular fixation of PC IOL.

Subjects and Mtethods:25 eyes of 22 patients underwent intra-scleral fixation of PC IOL with a technique of T-fixation. Another series of 13 eyes that underwent capsular fixation of PC IOL were studied for comparison. Externalized haptics were placed into the scleral tunnel with a pair of 25-gauge vitrectomy grasping forceps.

Results:The mean logMAR of best-corrected visual acuity was 0.59±0.56. It improved to 0.22±0.39 at 6 months(p<0.05). The mean refractive difference from the predicted value −0.64±1.36 diopter. There was no significant difference with the mean IOL tilt between the intra-scleral fixated IOL group(6.8±4.4°)and the capsular fixated IOL group(4.4±2.1°)(p=0.09). The mean IOL decentration was higher in the intra-scleral fixated IOL group(0.60±0.50 mm)than in the capsular fixated IOL group(0.29±0.21 mm)(p<0.05). Postoperative complications included vitreous hemorrhage in 5 eyes(20%), postoperative hypotony in 3 eyes(12%), elevation of intraocular pressure in 1 eye(4%), and IOL haptics fixed passed through scleral tunnel.

Conclusions:IOL decentration of intrascleral IOL fixation was higher than of capsular IOL fixation, but there was no difference with the IOL tilt. To minimize the IOL refractive difference, tilt and decentration, it is important to improve the surgical technique and fixate the haptics in better position.


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

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