The learning we received only tended to obscure our vision.

At about the same time, several cars passed by on the street, further obscuring his vision.

A hand obscured his vision and he felt the cloth again.

I didn't mind the tears; they fell too quickly to obscure my vision.

Fog obscured her vision, but at least she had a direction in which to head.

He looked in that direction, but the steam obscured his vision.

I caught another glimpse of the thing that had obscured my vision earlier.

Smoke obscured Kirk's vision for the second time in as many weeks.

It was obscuring his vision and made him feel faint.

At first he thought it was the storm - snow obscuring his vision.