Visual Restoration for Hemianopia

Exclusion Criteria

• •Physical, neurological or mental disability that would interfere with study intervention
• •Concurrent participation in "vision therapy" other than standard occupational or physical therapy
• •Unreliable visual fields on prior testing, indicated by greater than 20% fixation losses, false positives, or false negatives.
• •Inability to discontinue medications judged to affect training and/or assessment (e.g., Ritalin, amphetamines, dopamines, or chemotherapeutic agents)
• •Physical condition likely to preclude completion of the clinical trial (e.g. end-stage or uncontrolled cancer, uncontrolled epilepsy, or end-stage heart disease)
• •Ocular or neurological condition that would interfere with training or assessment (e.g. damage to the optic nerves or lateral geniculate nucleus, any degenerative ocular condition)
• •Best corrected vision worse than 20/40
• •Impaired foveal Humphrey sensitivity as indicated by the HVF tests.
• •Presence of vision loss resulting from ocular disease or disorder
• •Presence of bilateral visual acuity loss from any source
• •Inability to demonstrate fixation stability on eye movement monitored testing
• •Inability to follow training instructions