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WGC-2021

Abstract #79191 Published in IGR 20-1

The Aravind Pseudoexfoliation Study: Surgical and First-Year Postoperative Results in Eyes without Phacodonesis and Nonmiotic Pupils

Haripriya A; Ramulu PY; Chandrashekharan S; Venkatesh R; Narendran K; Shekhar M; Ramakrishnan R; Ravindran RD; Robin AL
Ophthalmology 2019; 126: 362-371


PURPOSE: To compare intraoperative complication rates, 1-year visual outcomes, and postoperative complication rates over the first postoperative year in eyes with and without pseudoexfoliation undergoing cataract surgery. DESIGN: Prospective, comparative, interventional study. PARTICIPANTS: Nine hundred thirty eyes with cataract and uncomplicated pseudoexfoliation (without phacodonesis, clinically shallow anterior chambers, or pupil size <4 mm) and 476 controls with cataract but without pseudoexfoliation recruited from 4 centers of the Aravind Eye Care System in Southern India. The 2 groups were randomized separately to receive either a single-piece acrylic intraocular lens (IOL; SA60AT; Alcon Laboratories, Fort Worth, TX) or a 3-piece acrylic IOL (MA60AS; Alcon Laboratories). The pseudoexfoliation group also was randomized to receive or not receive a capsular tension ring. METHODS: All eyes underwent phacoemulsification with IOL implantation and were followed up at 1 day, 1 month, 3 months, and 1 year after surgery. MAIN OUTCOME MEASURES: Association of pseudoexfoliation status with intraoperative complication rates, 1-year best-corrected visual acuity, and any other complications. RESULTS: Mean ages were 63.0±6.9 years and 57.9±7.3 years in the pseudoexfoliation and control groups, respectively (P < 0.001). Pseudoexfoliation patients were more likely to be men (P = 0.014), to have a nuclear opalescence grade of more than 4 (P = 0.001), and to have a pupil size of less than 6 mm (P < 0.001) when compared with controls. Intraoperative complication rates were 2.9% and 1.9% in the pseudoexfoliation and control groups, respectively (P = 0.29). One-year postoperative best-corrected visual acuity was comparable (P = 0.09). Complication rates at 1 year were 2.7% and 2.5% in the pseudoexfoliation and control groups, respectively (P = 0.82). Average endothelial cell loss was 14.7% in the pseudoexfoliation group and 12.7% in the control group at 1 year (P = 0.066) when adjusting for age and nuclear opacity. CONCLUSIONS: Pseudoexfoliation eyes without shallow anterior chamber, small pupils, or apparent zonulopathy may represent eyes with lower risks of complications. Despite smaller pupils and denser cataracts, pseudoexfoliation eyes without clinically apparent preoperative zonulopathy were not at a higher risk of intraoperative or postoperative complications or worse visual outcomes after cataract surgery.

Cataract and IOL Services, Aravind Eye Hospital, Chennai, India. Electronic address: haripriya@aravind.org.

Full article

Classification:

9.4.4.1 Exfoliation syndrome (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders > 9.4.4 Glaucomas associated with disorders of the lens)
12.12.3 Phacoemulsification (Part of: 12 Surgical treatment > 12.12 Cataract extraction)
12.20 Other (Part of: 12 Surgical treatment)



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