His memory of the room is his eyesight now
A dog who has lost his sight gradually usually navigates home surprisingly well, because he has built a detailed mental map from scent, sound, floor texture, and whisker-brush contact. That map is fragile: moving an armchair, leaving a stool in a walkway, or setting shopping bags down in the hall creates an obstacle he cannot anticipate, and an older dog with stiff joints recovers from a knock more slowly and loses confidence faster. Most injuries to blind senior dogs at home come from changes, not from the furniture itself.
Make the layout boring and the edges soft
Pick a furniture arrangement and commit to it, including his bed, bowls, and toy spot, which should never migrate. Fit foam padding or corner guards to coffee-table edges, hearth corners, and open door edges at his head and chest height, and check the garden for the same hazards — low branches, pond edges, and steps. Put baby gates at the top and bottom of stairs until you are certain he manages them, and keep doors either fully open and secured or fully closed, never ajar, because a half-open door is the classic face-level collision.
Give him signposts he can read without eyes
Layer in cues he can detect early: a washable mat with a distinct texture under his food and water, a runner rug marking the route across a slippery floor to the garden door, and a small bell or a consistent verbal cue from family members as they approach so he is never startled by a sudden hand. A dab of a safe, distinctive scent near key points such as his bed can help some dogs, used sparingly so it guides rather than overwhelms. Keep floors religiously clear of shoes, chargers, children's toys, and laundry baskets, and give him a lead-guided tour after any unavoidable change, such as a Christmas tree, letting him investigate it slowly from a distance he chooses.
Moving around and knowing when something is wrong
Talk to him as you move through the house, use his name before stroking, and keep his harness and lead routine for walks on familiar, even routes where sudden kerbs and bins are predictable. A halo-style harness that holds a bumper ring ahead of his head suits some dogs on walks, though many prefer their usual harness at home where the map is known. See a vet promptly if he suddenly starts bumping into things he previously avoided, becomes reluctant to move at all, or shows eye redness, cloudiness, or pawing at his face, since pain or further vision change can sit behind a sudden loss of confidence. Visitors need briefing too: ask them to announce themselves as they enter a room, to keep bags and coats off the floor in his areas, and never to move his bed or bowls to sit more comfortably themselves, however reasonable the rearrangement seems to sighted people. With KinsLe Care Teams, your household can assign the unglamorous jobs that protect him — clearing his paths each evening, checking gates, refreshing his water station — and mark each one complete with a timestamp so nothing is assumed done.