Political decisions are often made behind locked doors; law enforcement needs the light of day for all to see and judge.

I looked up, saw some lights on in the flat.

Not a sound had been heard, not a single light seen inside.

He gazed at the spot where the light had shown so briefly, but saw nothing.

There was not much to see, and little light in which to see it.

Whose is that light which makes the eye to see perfectly and the visible to appear?

The blue eyes opened, saw the lights on the ceiling, and the walls.

The lights she'd seen lay way far away to the right.

Dim light, to be sure, but at least she could see again.

We "see" the light that is scattered off of the air molecules into our eyes.