Corneal Sunburn
If the eyes are exposed to excessive amount of Ultraviolet (UV) radiation over a short period of time, “sunburn” called photokeratitis can occur on the surface of the eye (the cornea). This condition 
may be painful and includes symptoms such as red eyes, a foreign-body sensation or gritty feeling in the eyes, blurry vision, excessive tearing and extreme sensitivity to light. Photokeratitis is also called snowblindness because it occurs often when enjoying winter sports where the light is reflected from the snow. It is usually temporary and rarely causes permanent damage, but can take days to heal.
Premature Aging
Ongoing exposure to UV radiation, however, can cause serious harm to the eyes and age them prematurely. Research has shown that exposure to small amounts of UV radiation over time increases the chance of developing cataracts, macular degeneration and eye cancer.
Prevention
Whether it’s cloudy or sunny, summer or winter protect your eyes from the sun’s rays in order to decrease the risk of eye diseases and disorders.
A good rule of thumb to follow is to wear sunglasses, glasses or contact lenses with UV protection, apply sunscreen and wear a hat to protect the eyes and tissues around them.
And don’t forget your children, their eyes are more susceptible to damage from UV.
A good way to monitor eye health, maintain good vision and keep up-to-date on the latest UV protection is by scheduling yearly comprehensive eye exams.
