This virus used to kill people, cause blindness, and bad scars.

If this is not found and treated early, it can cause blindness.

Tear gas may cause temporary blindness for up to 45 minutes.

It may cause permanent blindness if rubbed into the eye.

Contact with eyes can cause blindness, and so eye protection is usually used.

Diabetes can lead to eye problems that cause vision loss or blindness.

If the infection gets in a baby's eyes, it can cause blindness.

Over an extended period of time, cataracts can cause blindness.

This can cause blindness if it is not treated early.

It has been known to cause blindness and death.