Arrows indicate orthoptic examination timepoints. G0 to G12 indicate the number of weeks of only glasses use and P0 to P24 indicate the numbers of weeks of patching. The primary outcome was assessed at P12 (ie, after 12 weeks of prescribed patching in the two treatment groups). Secondary outcome assessments were performed at P18 and P24. EOT=extended optical treatment. *Timepoints at which questionnaires were administered.