Help him at first by keeping your floors as clutter free as possible. Then for at least a couple weeks attach him to you with a leash as you walk around the house. This will help to build his muscle and scent memory.
"First off don't rearrange furniture; he will know his way around the house in a basic sense if you don't suddenly try to make it ""easier"" by changing things. Sometimes when dog has recently lost his sight he gets snarly when someone tries to touch him. More often than not it's because he doesn’t see the touch coming and being that he is already in a rather agitated state it scares him into a gut reaction. So to help alleviate that potential problem, tell him you’re walking towards him on his blind side and talk as your reaching to pet him; he'll hear the tone of voice as being calm (meaning it’s ok and nothing scary can happen) and the sudden touch on him won’t be nearly as startling. Make sure you inform guests that he's recently lost his sight and to not approach him on the blind side, or to just wait until he approaches them. And above all have patience. It will take time for everybody to adapt. He's depending on you even more to be the alpha and to keep cool and collected."
A good way to help your blind dog adapt is to always feed the dog in the same location. It would also be good to keep the furniture in the same place and not rearrange it too often. These actions will help keep the dog from becoming confused and stressed.
also see Frequent Questions About Canine Eye Problems
also see Symptoms of Dog Dementia
also see The 5 Most Common Dog Eye Problems
also see Preventing Weight Gain in an Older Dog
also see 6 Proven Canine Dry Eye Remedies
also see Dog Euthanasia: Making the Difficult Decision
also see Dog Eye Problems: Types, treatment and the best preventative measures
also see Canine cognitive dysfunction, Societal disassociative disorder and other cognitive dysfunction