What can an 83 year old woman with dementia and macular degeneration (legally blind) do and remain safe?

See below: Is she living alone? Does she have a caregiver, or any other help? How advanced her dementia? Generally, if she's legally blind with dementia, it's probably not safe for her to live alone and to be left alone. Have you considered long-term care? This way, she'll take her meds on time, doesn't have to be involved in chores that could be potentially dangerous for her.Discuss that with her physician.

See Below: There are several questions to consider: living environment, activities of daily living, having a caregiver around. Have you considered long-term care -- this way her environment will be relatively safe, she will be administered medication. It's a tough decision to make, but ask for the input from her primary care physician.