Prevalence of wearing glasses for children and adolescents in Germany and their ophthalmological care. Results of the nationwide KiGGS baseline survey (2003-2006)

Background. Vision-relevant refractive errors in children require regular ophthalmological control examinations. In this study we estimated the prevalence of wearing glasses for children and adolescents in Germany and the frequency of ophthalmological care. Methods. We analyzed data of the German Health Interview and Examination Survey for Children and Adolescents (KiGGS, baseline survey 2003-2006, N = 17,640). Wearing glasses was documented from the age of 3 years in the examination part. We estimated the prevalence of wearing glasses and investigated the relationship with ophthalmological care during the preceding 12 months. Multivariable logistic regression analysis was used to calculate adjusted odds ratios (OR) and 95% confidence intervals (95%CI). Associations were adjusted for age, gender, socioeconomic status, migration background, residence (East/West Germany), participation in regular pediatric check-ups, and presence of strabismus. Results. The prevalence of wearing glasses was 19.7% (95% CI: 18.8-20.5%) in the age range of 3-17 years. The prevalence was higher in girls (22.1%; 21.0-23.3%) compared to boys (17.3%; 16.3-18.3%) and increased with age up to 29.2% (27.6-30.9%) in the age group 14-17 years. The frequency of ophthalmological care within the last 12 months was 61.6% (59.4-63.8%) for those wearing glasses and 15.2% (14.3-6.2%) for those without glasses. Regression analysis revealed an association between ophthalmological care and wearing glasses (OR = 11.4; 10.1-13.0). Conclusion. In Germany, wearing glasses depends on gender and age and almost one third of adolescents already wear glasses. The majority of children and adolescents wearing glasses visit an ophthalmologist once a year.