High prevalence of pseudoexfoliation syndrome and its complications in Tarragona in northeast Spain.

Purpose: To determine the prevalence of pseudoexfoliation syndrome (PEX) in our health area, in 4 counties of Tarragona, and its involvement in the health status of the population.

Methods: This was a cross-sectional study of a sample of 2,342 inhabitants aged = 60 years, randomly selected from the population census. Subjects were classified in 3 groups according to age (group 1 = 60-69 years, group 2 = 70-79 years, group 3 = over 80 years).