The lights in the room usually dim, although not always.

For the first time the light in his eyes dimmed.

Suddenly the light in the room dimmed and then came back up.

The lights dim away and the story moves to a rest home some time later.

For just a moment the lights dimmed, then they came back up strong.

The light in her eyes dimmed a little with worry.

The light is perfect: so soft and dim that everybody looks good.

For a moment the lights dimmed, then the power came back up.

For a moment the lights dimmed, them came back up.

After a few minutes the lights in a window on the top floor dimmed and went out.