Visual Restoration Using Focused Ultrasound Stimulation and Immersive Virtual Reality After Stroke

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.