Recruitment inadequate and investigators leaving the study institution for new positions.

This was a randomized, masked, controlled study of the effect of a virtual reality, binocular, 3-dimensional video game on visual acuity and stereopsis in adult patients with amblyopia. The trial has been halted as of June 2016 and will not be evaluating any new subjects for enrollment.

Inclusion Criteria:

• Interpupillary distance of 60-66 mm
• Age 15-40
• Anisometropic amblyopia or strabismic amblyopia
• Best corrected visual acuity of 20/30 or worse in the amblyopic eye
• No prior therapeutic use of the software
• No other ongoing therapies including patching or recent eye muscle surgery
• No vested interest in the product
• Ability attend visits and complete the training session, and to stop the intervention after the specified intervention period

Exclusion Criteria:

• Stimulus-deprivation amblyopia.
• Organic lesions of the eye preventing the establishment of good vision (eg. media opacities, abnormalities in the fundus or optic nerve).
• Lesions of the brain preventing the establishment of good vision (eg. cortical visual impairment).
• Establishment of normal vision by refractive adaptation (wearing glasses after presentation).
• Patients diagnosed with Photosensitive Epilepsy.
• Inability to comply with the follow-up visits required.
• History of pathologic nystagmus (congenital or sensory).