A population-based eye survey of older adults in a rural district of Rajasthan: II. Outcomes of cataract surgery.

Abstract

PURPOSE To assess the outcomes of cataract surgery in rural northwest India. DESIGN Population-based, cross-sectional study. PARTICIPANTS A total of 549 cataract-operated persons (723 operated eyes). METHODS Cluster sampling was used in randomly selecting a cross-sectional sample of persons 50 years of age or older for visual acuity measurement, refraction, and slit-lamp and direct ophthalmoscope examination early in 1999. Those operated on for cataract were queried as to the date and place of surgery. The principal cause of reduced vision was identified for all examined eyes with presenting visual acuity worse than 6/18. MAIN OUTCOME MEASURES Presenting and best-corrected visual acuity and cause of vision loss. RESULTS Presenting visual acuity was less than 6/60 in the better eye in 33.7% of cataract-operated persons and greater than or equal to 6/18 in both eyes in 8.2%; 31.7% were bilaterally operated on. Of cataract-operated eyes, 44.1% initially had visual acuity less than 6/60 and 31.5% greater than or equal to 6/18; with best correction, the corresponding percentages were 14.0% and 61.5%. Intracapsular cataract extraction was used in 92% of cases, and 66% had been operated on in surgery camps. Surgical complications were common and a major cause of vision impairment. In multiple logistic regression modeling, female gender and residence in a rural area were associated negatively with both presenting and best-corrected visual acuity outcomes, and surgery conducted before 1990 was associated negatively with best-corrected visual acuity. Place of surgery and subject schooling were not associated with vision outcomes. CONCLUSIONS Cataract surgery subjects in rural areas of India that are without adequately equipped facilities and skilled surgeons, and lack of availability of intraocular lenses, are not realizing the full sight-restoring potential of modern-day surgery. Emphasis on the quality of cataract surgery outcomes must be increased to keep pace with that being given to increasing surgical volume.

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@article{Murthy2001APE, title={A population-based eye survey of older adults in a rural district of Rajasthan: II. Outcomes of cataract surgery.}, author={Gudlavalleti Venkata Satyanarayana Murthy and Leon B. Ellwein and Sunil Kumar Gupta and K Tanikachalam and Manotosh Ray and Vijay K Dada}, journal={Ophthalmology}, year={2001}, volume={108 4}, pages={686-92} }