Trends in cataract surgery in Milan (Italy) from 1956 to 1987

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Abstract
In order to test whether the mean age at cataract surgery has changed over the course of the last 30 years, a hospital series of 5443 patients undergoing cataract extraction between 1956 and 1987 is reviewed. All cases attended the same University Eye Clinic of Milan and most were resident in the same geographical area. Cases with macular or optic nerve diseases were excluded. Results show that mean age at cataract surgery progressively increased from 67.5 to 71.5 years (slope = +0.096 years of age per year, p = 0.0001) as did visual acuity at surgery (patients with visual acuity levels greater than or equal to 1/10 at time of cataract surgery rose from 3.2% to 47.9%). These results can be interpreted in terms of a change in age composition of the Italian population, improved access to health services for the elderly, and an improvement in surgical and rehabilitation techniques.

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