“…1,2 However, there has been concern about the lack of evidence for the effectiveness of preschool vision screening programs, and, consequently, rigorous evaluation of such programs has been called for. [3][4][5][6] Furthermore, because scarcity of resources for health care is increasing, there is a growing interest among decision makers in the cost-effectiveness of health care interventions, 7 yet little is known about the cost-effectiveness of preschool vision screening programs. 3,8,9 In Germany, vision assessment is part of general preventive care examinations performed by general practitioners and pediatricians on children at 21 to 24 months and 42 to 48 months of age.…”