Sunglasses do more than protect the eyes from ultraviolet rays.

These ultraviolet rays are the main causes of damage to the skin from the sun.

Exposure to ultraviolet rays increases the risk of skin cancer and other health problems.

Ultraviolet rays can cause lasting harm to your skin and eyes.

That would result in an 18 percent increase in ultraviolet rays.

In brief, the world is getting warmer, and more ultraviolet rays are passing through to the earth.

Over 50% of the visible aging that takes place on skin is due to ultraviolet rays.

The earth will receive more ultraviolet rays as the ozone is destroyed.

"We must warn our patients to wear glasses that screen out ultraviolet rays."

Acting as a sunscreen, it provides protection against ultraviolet rays.