EVALUATION OF ANTERIOR CHAMBER ANGLE PARAMETERS POST CATARACT SURGERY USING ANTERIOR SEGMENT OPTICAL COHERENCE TOMOGRAPHY
Journal Title: Journal of Evidence Based Medicine and Healthcare - Year 2018, Vol 5, Issue 19
Abstract
BACKGROUND Cataract surgery indirectly alters the anterior chamber configuration. It is not known whether the type of surgery or the type of intraocular lens (IOL) material influences this postoperative change. The objectives of this study were to compare the anterior chamber angle parameters before and after cataract surgery using Anterior Segment Optical Coherence Tomography (AS-OCT) and to determine if the type of surgery or the IOL material influenced this change. MATERIALS AND METHODS This was a prospective, observational study done in a tertiary care hospital in North India and included 150 patients who underwent uneventful cataract surgery with IOL implantation from December 2014 to May 2016. Patients were divided into three groups (N=50 eyes each) based on type of surgery and IOL material. The anterior chamber angle parameters (ACA, AOD500, TISA500) were evaluated using AS-OCT one day before and two weeks following cataract surgery. Statistical analysis was done using the paired t-test and student t-test. A P value of < 0.05 was considered significant. RESULTS The increase in all nasal and temporal AS-OCT angle parameters was found to be statistically significant in all three groups (P=0.000). There was a positive correlation found between ACA and the other angle parameters (AOD500, TISA500) in both quadrants (P=0.000). Increase in ACA was significantly more in those who underwent small incision cataract surgery (SICS). The type of IOL material (acrylic or PMMA) did not affect postoperative change in angle parameters. CONCLUSION There is a significant anterior chamber deepening post cataract surgery irrespective of the type of surgery or the IOL material.
Authors and Affiliations
Vaishu Ann Marie Varghese, Rupali Chopra, Nitin Batra
Keywords
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- EP ID EP557416
- DOI 10.18410/jebmh/2018/326
- Views 85
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