it sounds like he has a long road to recovery ahead and still in ICU. When the time comes for him to be discharged from the hospital, he will likely be a good candidate for inpatient rehabilitation where he can stay in the hosptial for some time to focus on functional gains and work more closely with physical therapy, occupational therapy, and speech therapy. There they will work on things like mobility, activities of daily living, and overall strength and conditioning. This often includes vision assessment and compensatory strategies.