Clinical Research Directory

Inclusion Criteria: * ≥ 18 years old of any gender and race * Clinical ischemic stroke or hemorrhagic (confirmed by CT or MRI) that occurred \>= 6-24 months ago * Partial or complete homonymous hemianopsia on clinical exam Exclusion Criteria: * Documented history of severe dementia with or without medication before stroke that affect subject's ability to participate in and be compliant to study protocol * Significant upper motor deficits and the subject cannot do IVR sessions at the baseline * History of seizures * Inability to get a new MRI * Presence of any ultrasonic stimulation risk factors: an electrically, magnetically, or mechanically activated metal or nonmetal implant including cardiac pacemaker, intracerebral vascular clips, or any other electrically sensitive support system; non-fixed metal in any part of the body; pregnancy (the effect of ultrasonic stimulation on the fetus is unknown); preexisting scalp lesion or wound or bone defect or hemicraniectomy. * Patients will be excluded if they have a previous diagnosis of hemianopsia, a new diagnosis of central retinal ischemic injury, or visual blindness or a history of any other ocular disease. * Concerns about the inability to complete study visits/procedures by the PI.