Researches are trying to establish whether moderate exercise enhances the treatment benefit of patching 2 hours a day for residual amblyopia in children.

Inclusion Criteria:

• Aged 5 to < 17 years old
• Cycloplegic refraction within past year
• Diagnosis of residual amblyopia, with no evidence of regression of amblyopic eye visual acuity by 1 or more LogMAR from best previous
• Completed at least 6 months prior patching treatment (minimum 2 hours/day) or atropine treatment.
• Stable visual acuity as defined by <1 LogMAR change over 2 visits
• Xbox 360 Kinect, Wii or WiiU gaming system in the home, or a different gaming system with a version of Just Dance® already in the home.

Exclusion Criteria:

• Known problems with exercise tolerance
• No gaming system in the home that supports Just Dance® Kids 2014, and no existing version of Just Dance® in the home
• Current atropine treatment for amblyopia