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ORIGINAL ARTICLE
Year : 2018  |  Volume : 19  |  Issue : 1  |  Page : 30-35

Short-term study of intraocular lens position changes using ultrasound biomicroscopy in high myopia


Department of Ophthalmology, Benha Faculty of Medicine, Benha University, Benha, Egypt

Correspondence Address:
Ayser A.H. Fayed
Faculty of Medicine, Ophthalmology Department, Banha-Cornish El-Nile - El-Rahma Tower, Postal code 13512, Khalyopia, Benha
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/DJO.DJO_16_17

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Purpose The aim of this work was to study the performance of the implanted one-piece versus three-piece intraocular lenses (IOLs) in relation to the dimension of the capsular bag of the highly myopic eyes. Study design This was a retrospective comparative case–control study. Patients and methods One-piece IOL was implanted in 25 eyes of 13 patients (group A), and three-piece IOL was implanted in 25 eyes of 17 patients (group B). Ultrasound biomicroscopy was performed postoperatively. The main outcome measures included anterior chamber depth, angle opening distance, trabecular–iris angle, diameter of the capsular bag, diameter of the implanted IOL, and white-to-white distance. All patients included in this study had highly myopic eyes with axial length greater than 26.5 mm. All eyes were planned for clear lens extraction or cataract extraction. Results The mean follow-up period was 3.81±1.82 months. In group A, a statistically significant negative correlation was found between the diameter of the capsular bag and the diameter of the implanted one-piece IOL (r=−0.56). In group B, a statistically significant positive correlation was found between the diameter of the capsular bag and the diameter of the implanted three-piece IOLs (r=0.88). There was a statistically significant correlation regarding anterior chamber depth, angle opening distance, and trabecular–iris angle (P=0.02, 0.03, and 0.04, respectively). Conclusion Ultrasound biomicroscopy showed that there was a difference regarding the positioning of the IOL in highly myopic eyes. The statistical analyses, in both groups, point to a statistically significant correlation between the diameter of the capsular bag and the diameter of the implanted IOL.


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