Recently, there has been an increased interest in evaluating binocular therapies (e.g perceptual learning and dichoptic treatment) for amblyopia. They are designed to improve amblyopia through binocular stimulation by unlocking binocular visual function. The objective of the study is to compare the visual and sensory outcome of 2-hour patching to dichoptic stimulation using virtual reality head mounted display in the management of patients with moderate anisometropic amblyopia. The investigators will include children older than 6 years and adults up to the age of thirty five years with anisometropic amblyopia who either had no prior treatment for amblyopia or had prior treatment for amblyopia using patching therapy but with residual amblyopia defined as \>= 0.3 logMAR lines between the best-corrected visual acuity in the sound eye and in the amblyopic eye and with moderate amblyopia in the more anisometropic eye defined as best-corrected visual acuity better than 6/60 but =\< 6/18. Patients will be randomized into 2 groups according to age using stratified randomization: * Group P: (Patching Group): This group will have 2 hours of patching each day for 10 weeks. * Group D (Dichoptic Group): This group will have 1 hour of dichoptic stimulation using the virtual reality system twice a week for 10 weeks for a total of 20 hours of training.
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Visual acuity at 10 weeks
Timeframe: 10 weeks