Effectiveness of routine population-wide orthoptic preschool vision screening tests at age 6–24 months in the Netherlands

Purpose: The effectiveness of preverbal orthoptic tests at age 6, 9, 14 and 24 months in population-wide screening was assessed. Methods: Two consecutive birth cohorts at 134 centres were compared. At general health screening visits, children born July–December 2011 were vision screened four times between 6 and 24 months with inspection, pupillary reflexes, eye motility, Hirschberg, cover test and monocular pursuit. Children born January–June 2012 were vision screened at general screening visits only in case of visually apparent abnormalities or positive family history. After referral, cause a... Mehr ...