Persons with shingles on the upper half of the face need immediate medical attention: the virus may cause serious damage to the eyes.

Low levels of prolonged exposure can cause irritation to the eyes and skin.

However, even concentrations of one-tenth part per million can cause irritation to the eyes, nose and throat, according to officials.

The drug significantly improved the sight of most patients and did not appear to cause any harm to the eyes, it found.

Also the lighting usually used in captivity can cause long lasting damage to the eyes.

It can cause irritation to the eyes, skin, and the respiratory system if inhaled or on contact.

This acid can cause irritation to the eyes, nose, and skin.

It causes irritation to the eyes, skin, and respiratory tract.

Such fumes may also cause irritation to the eyes.

If not treated, uveitis can cause permanent damage to the eyes.