Abstract
This is a prospective population-based investigation of the subjective visual functional and visual acuity outcomes of cataract surgery over a one-year interval at one institution. All operated cases (n = 459) were grouped into three levels of visual impairment according to the best corrected vision in the better eye. Self-administered questionnaires were used to assess subjective reading, TV watching, distance estimation, and ability to orientate in unfamiliar surroundings, before and after surgery. The preoperative subjective visual disabilities significantly correlated with preoperative visual acuities of the patients’ better eyes. There was an improvement of subjective measurements for all three visual acuity levels. After surgery, there was a stronger correlation between the subjective functional improvement and the increase in visual acuity for the operated eye than the better eye. Irrespective of the visual acuity level before cataract surgery, the vast majority of patients gain better subjective visual function and better acuity after surgery. This study provides a valuable contribution regarding outcomes analysis for cataract surgery by studying the characteristics of a surgical cohort drawn from a geographically discrete population.—Hans E. Grossniklaus
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