verb
occlude
uh-KLOOD/əˈkluːd/
To block or close off a passage, view, or flow.
The tightly fitted cork occludes the opening of the bottle.

Etymology
The pieces combine “against” with “shut,” giving the idea of closing something off. The English verb preserves this physical sense: blocking an opening so that nothing can pass through.
In context
So, again, we'd occlude vision. All of a sudden, they'd get vision. The handles either there or it's covered.
More examples
- Thick mucus can occlude the small airways.
- From this angle, the pillar occludes part of the stage.
- Debris occluded the drain, causing water to back up.
Forms
occlude · occludes · occluded · occluding
occlusion noun — A blockage that prevents passage or flow.