We studied the epidemiological characteristics of nontraumatic phakic rhegmatogenous retinal detachment (RRD) in a defined population of Split-Dalmatia County, Croatia. A total of 278 eyes of 272 patients developed RRD during an 11-year period, 1988-1998, with a population of 465,947. The annual incidence was 5.4 per 100,000 population. The mean age of patients was 58.3 years, and the sex distribution corresponded with that in the general population. There was insignificant preponderance of right eye involvement. Bilaterality was observed in 2.2%. The presence of myopia was diagnosed in 46.9% eyes.
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