Association between refractive errors and horizontal strabismus: the Korea National Health and Nutrition Examination Survey

Purpose To investigate the association between refractive error and horizontal strabismus based on a Korean population-based survey. Methods The study included 22,887 participants >5 years of age who participated in the Korea National Health and Nutrition Examination Survey (KNHANES) from 2008 to 2011. Refractive error was classified into myopia, hyperopia, astigmatism, and anisometropia. The association between refractive error and exodeviation...