Visual Correction and Occupational Social Class
Purpose. To determine whether types of optical correction for refractive error are associated with sex, social class, and occupational group in the working population.
Methods. A cross-sectional study was carried out among employees in Catalonia (Spain) aged 16 to 65 years who underwent the Asepeyo Prevention Society health examination in 2009 (86,831 participants: 59,397 men and 27,421 women). The type and purpose of refractive correction used were self-reported, as were sociodemographic variables; visual