S2k guidelines for visual perception disorders, developed by the Society for Neuropediatrics eV (GNP) with the participation of the German Society for Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy eV (DGKJP), the DOG and the German Society for Social Paediatrics and Adolescent Medicine eV (DGSPJ), April 30, 2017
Currently being revised [LINK]