Unveiling the therapeutic potential: Exploring the role of cataract surgery in alleviating dementia symptoms


Authors: Evelyn Somogyi, Jillian Lane, and Pradeep Bastola
Page Range: 3-10
Published in: International Journal on Disability and Human Development, Volume 23 Issue 1
ISSN: 2191-1231

Table of Contents


This research was conducted to assess the association between cataract surgery, cognition and improvement in dementia patients. Methods: A systematic search was conducted from electronic databases (PubMed/Medline, Cochrane Library and Google Scholar) from inception to 21st August 2022. All statistical analyses were conducted in Review Manager 5.4.1. Studies meeting inclusion criteria were selected. Only those studies were involved that included dementia patients undergoing cataract surgery and its effect on their cognition. A fixed-effect model was to pool the studies, and the result was reported in the Hazards ratio (HR) and the corresponding 95% confidence interval (CI). We also conducted narrative analysis for studies which could not be pooled. Results: Eight cohorts, one case-control studies and one clinical trial were included in this study. Quantitative analysis showed there was improvement in dementia after cataract surgery (HR 0.77 [95% CI 0.75, 0.79]; p < 0.00001; I2 = 9%). A qualitative approach showed that patients had better cognition after cataract surgery in patients with dementia. Conclusion: Cataract surgery is associated with better cognition in dementia patients and it helps improve dementia status. Keywords: Dementia, cataract surgery, cognition, Grenada

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