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ORIGINAL ARTICLE
Year : 2017  |  Volume : 110  |  Issue : 3  |  Page : 83-88

Evaluation of anterior segment changes using ultrasound biomicroscopy following phacoemulsification and implantation of one-piece and three-piece intraocular lenses in high myopia


Department of Ophthalmology, Banha University, Banha, Egypt

Correspondence Address:
Ayser Abd El-Hameed Fayed
Department of Ophthalmology, Banha University, Banha, 13511
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ejos.ejos_29_17

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Aim The aim of this research was to study the performance of the implanted one-piece and three-piece intraocular lenses (IOLs) in relation to the enlarged diameters of the capsular bags of the highly myopic eyes. Patients and methods Patients were randomly divided into two groups: group A included 15 eyes that underwent phacoemulsification with implantation of one-piece IOLs, and group B included 15 eyes that underwent phacoemulsification with implantation of three-piece IOLs. All patients included in this study were high myopes with axial length greater than 26.5 mm. All eyes were planned for clear lens extraction or cataract extraction. Results In group A, a statistically significant negative correlation was found between the diameters of the capsular bags and the diameters of the implanted one-piece IOLs. The correlation coefficient (r) is −0.56. In group B, a statistically significant positive correlation was found between the diameters of the capsular bags and the diameters of the implanted three-piece IOLs. The correlation coefficient (r) is 0.86. Conclusion The study of this correlation is to help in answering an important question − that is, does one diameter IOL fit all capsular bags? The statistical analyses in both groups point to a statistically significant correlation between the diameters of the capsular bags and the diameters of the implanted IOLs in both groups A and B, which demonstrates the absence of fitting of both sorts of IOLs in relation to the enlarged capsular bags of the highly myopic eyes − i.e. it focuses on the divergence between the size of the IOLs and that of the capsular bag.


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