"But the rest of the time you sit home and read you'll ruin your eyes."

"You'll never catch me ruining my eyes over words in this little light."

"You stay at the books," he said, "and you'll ruin your eyes."

The blindness struck him long before the exposure to the Sun ruined his eyes.

You will ruin your eyes if you go on like that.

"You'll ruin your eyes if you don't spring for more light."

You'll ruin your eyes that way, didn't anybody ever tell you?

She is reading in poor light, ruining her eyes.

And please don't read too much or you'll ruin your eyes.

Trying to read in the dark will not ruin your eyes, despite what your mother told you.