Efficacy, safety and visual outcomes of cataract surgeries performed during blindness prevention programs in different locations in Kenya

Objective To determine the efficacy of cataract surgeries in blindness prevention programs in Chongqing. Methods During February–December 2019, we prospectively enrolled 487 patients (592 eyes) undergoing cataract surgery during blindness prevention programs in 6 Chongqing district/county hospitals (experimental group) and 481 patients (609 eyes) undergoing cataract surgery in the First Affiliated Hospital of Chongqing Medical University (controls). Uncorrected visual acuity (UCVA), refractive status, best corrected visual acuity (BCVA), slit lamp examination, and visual function/quality of life (VF-QOL) questionnaire scores were evaluated preoperatively, and at 1 and 6 months postoperatively. Results In the experimental group, UCVA, BCVA, and VF-QOL scores at 1 and 6 months were better than the preoperative values (P < 0.05), but lower than the control-group values (P < 0.05). Rates of good UCVA and BCVA outcomes (≤ 0.5 logMAR) in the experimental group were 76.2% and 87.6%, respectively, at 1 month and 68.9% and 83.1%, respectively, at 6 months. Most eyes in the experimental (82.1%) and control (89.5%) groups had refractive errors within ± 1 D at 1 month. At 6 months, posterior capsule opacification (PCO) was more common in the experimental group (20.9% vs. 15.0%, P < 0.05). At 6 months, the main causes of visual impairment (UCVA > 0.5 logMAR) in the experimental group were uncorrected refractive errors (33.0%), PCO (29.5%), and fundus diseases (33.9%). Conclusion Cataract surgeries in blindness prevention programs in Chongqing significantly improved visual acuity, VF, and QOL, but underperformed compared to surgeries in the tertiary teaching hospital.

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Efficacy, safety and visual outcomes of cataract surgeries performed during blindness prevention programs in different locations in Kenya

Cited by 4 publications

References 24 publications

Misiones humanitarias y resultado visual en cirugía de cataratas: revisión de la literatura

Misiones humanitarias y resultado visual en cirugía de cataratas: revisión de la literatura

Humanitarian missions and visual outcomes in cataract surgery: A literature review

Efficacy of cataract surgeries performed during blindness prevention programs in Chongqing, China: a multicenter prospective study

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