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Subject Area

Ophthalmology

Article Type

Original Study

Abstract

Objectives To make a comparison between the effect of the laser peripheral iridotomy (LPI) and phacoemulsification on the width of the anterior chamber angle by ultrasound biomicroscopy. Background Primary angle-closure glaucoma is a major cause of blindness worldwide. It is a disease of ocular anatomy that is related to pupillary-block and angle-crowding mechanisms of filtration angle closure. Patients and methods A nonrandomized clinical trial was carried out on 36 eyes of 36 patients from October 2019 through October 2020 in Menoufia University Hospital. Results Regarding the comparison between phacoemulsification and LPI groups regarding intraocular pressure (IOP) before and after 1 week and 1 month of procedure, there was no statistically significant difference between the two groups regarding IOP after 1 week and after 1 month of procedure (P = 0.428 and 0.911, respectively). There were highly significant changes regarding IOP in phacoemulsification and LPI groups after 1 week and 1 month from the procedure as compared with before it (P < 0.001). Conclusion This study proved that phacoemulsification with posterior chamber IOL implantation is a safe and equally effective procedure in lowering IOP and preventing its increase. This success is achieved by improving anterior chamber morphology in patients with chronic primary angle closure and cataract.

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