Something that hurt your eyes, if you looked directly at it.

But the reflection of the sun on the water hurt his eyes, and he turned away.

I looked away; the light was bright and hurt my eyes.

There was light around him, but not bright enough to hurt his eyes.

She couldn't stand being outside, because the light hurt her eyes.

She could not see any movement at all, and the brilliant light hurt her eyes.

The light still hurt his eyes but this was something he had to see for himself.

Has anyone ever told you not to look directly at the sun because it would hurt your eyes?

The morning light hurt his eyes and they began to water.

Watching it hurt my eyes, so I shut them again.