“…Keywords: anisometropia, myopia, epidemiology, population-based study, Shandong children eye study A nisometropia is an intereye asymmetry in the refractive status of an individual and can be associated with strabismus, amblyopia, aniseikonia, and spectacle intolerance, to mention only a few sequelae. [1][2][3][4][5] Anisometropia has already been examined in children in previous population-based studies such as the Multi-Ethnic Pediatric Eye Disease Study and the Sydney Childhood Eye Study and other investigations. 3,[6][7][8][9][10][11] While most of the previous investigations have examined individuals from Western countries, studies focused on children from mainland China, the most populous country worldwide, have been scarce so far.…”