My Mother In Law Is Looking To Transition From Eliquis.

My mother in law is looking to transition from eliquis. The doctor is thinking coumadin, I have some concerns. She has macular degeneration and green leafy vegetables are good for her, she also has a history of bleeding into on of her eyes, intraorbital. She has dementia and kidney function at 41 percent. what other blood thinners may be more appropriate?