The sun's Ultraviolet light rays (UV) are known to cause a variety of health issues. We all know sunscreen is highly recommended by doctors for skin; however, the sun can do similar damage to eyes that are unprotected from UV rays. One potential problem is increasing the probability of cataracts. A cataract is a clouding of the eye’s lens and is the leading cause of blindness worldwide and the leading cause of vision loss in the United States, according to the Center for Disease Control.
A new study from Case Western Reserve University in Ohio goes beyond previous beliefs that UV rays aid in the development of cataracts to actually say how. UV rays can replace oxygen in the cornea causing an oxidative reaction that can cause damage to proteins in the eye's lens. The study used a mouse model to give a detailed view of exactly how the damage happens.
The results emphasize the importance of wearing sunglasses every day eyeglasses that offer the most complete protection from UV. UV coating to protect eyes from sun damage. However, there are other things everyone should do to protect their eyes from sun damage based on advice from the American Association of Ophthalmology:
Bottom line: Stay protected from UV rays when outside. Cataracts are just one symptom that can happen from overexposure to the sun.