As the weeks passed, her vision deteriorated, and by the spring, she could no longer see shapes, only colors.

Speed is essential, as vision can deteriorate permanently in a matter of days.

Tony Conigliaro missed over a year after being hit in the eye, and his vision later deteriorated.

If this goes on for months or years, the vision in the eye that sees the blurry image will deteriorate.

Bitter disputes followed, and the patient's vision again deteriorated.

It is not yet clear whether his good vision will continue or deteriorate again over time.

Her vision has deteriorated so badly that she can't tell what people on television are wearing, even from six inches away.

Everyone's vision deteriorates as they age, but at different speeds.

When her vision quickly deteriorated, Mae's parents took her to the first of the many eye specialists they would see.

The effects might not last that long, some experts said, so that vision could deteriorate after three months.