• age 4-10 y

• male and female

• strabismic, anisometropic, or combined mechanism amblyopia

• amblyopic eye best-corrected visual acuity 0.3-0.8 logMAR

• fellow eye best-corrected visual acuity ≤0.1 logMAR

• interocular visual acuity difference ≥0.3 logMAR

• wearing glasses (if needed) for 8 weeks or no change visual acuity with glasses at 2 visits

⁃ 4 weeks apart.

• child's ophthalmologist and family must be willing to forgo patching treatment during the 12-week study period

• parent's informed consent

• child must demonstrate understanding and ability to play binocular games