There are a lot of fall prevention modifications you can do around the house, such as:
• Remove any area rugs that he could slip on or trip over – if you buy one make sure it has a non-slip backing on it.
• Install hand rails for all stairs inside and outside of the house
• Make sure all rooms are well lit with light switches he can easily turn on and off
• For the bathroom, grab bars for the shower or a shower chair, and toilet grab bars and safety handrails
• For the bedroom, bed grab bars and handrails
Most of these things can be bought at a store such as Home Depot a Medical Supply store, or online at Amazon.com.