Prevalence of refractive error in Bangladeshi adults*1Results of the National Blindness and Low Vision Survey of Bangladesh

Purpose To determine the prevalence of refractive errors and to investigate factors associated with refractive error in adults 30 years of age and older in Bangladesh. Design Cross-sectional study. Participants A nationally representative sample of 12 782 adults 30 years of age and older. Methods The sample of subjects was selected based on multistage, cluster random sampling with probability-proportional-to-size procedures. The examination protocol consisted of an interview that included measures of literacy, education, occupation, and refractive correction. Visual acuity testing (logarithm of the minimum angle of resolution [logMAR]), automated refraction, and optic disc examination were performed for all subjects. Subjects with Main outcome measures Refractive error and socioeconomic variables (literacy, education, occupation). Results Eleven thousand six hundred twenty-four subjects were…