To determine whether the time of day at which daily occlusion (patching) is administered - morning (08:00-10:00) versus evening (17:00-19:00) - affects the amount of visual-acuity improvement in the amblyopic eye in children with unilateral amblyopia. Rationale: While occlusion therapy remains the mainstay for treatment of childhood amblyopia, existing trials have focused on patching duration, not on the timing of occlusion. Diurnal or chronobiological factors - such as fluctuations in neuroplasticity, attention, compliance, or visual demand during the day - may influence the efficacy of patching. Understanding whether timing matters could help optimize occlusion therapy, improve outcomes, and reduce treatment burden.
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Change in best-corrected visual acuity (BCVA) of the amblyopic eye
Timeframe: 6 month