What You Need To Know About UV Rays
It's safe to assume that almost everybody is exposed to UV rays on a regular basis. However, the possible dangers related to long-term exposure to these harsh rays aren't really thought through, to a point where the majority of people barely take enough action to shield their eyes, even when they're planning to be outside for long periods of time. Being exposed to too much UV is dangerous and irreversible, and can result in more than a few serious, sight-stealing diseases later on in life. This means that ongoing protection from these rays is a must for everyone.
UV radiation, which originates mostly from the sun, consists of two sorts of damaging rays: UVA and UVB. Although only minimal amounts of UVA and UVB light enter the inner eye, the eye cells are incredibly susceptible to the dangerous effects of their rays. Even in the short term, small amounts of exposure may cause sunburnt eyes, or photokeratitis. When the cornea receives UVB rays, the cells that make up its exterior are severely damaged, and this can be expressed as pain, blurred vision or temporary blindness. UVA rays actually penetrate much deeper into the eye, which causes damage to the retina. Over time, not being protected from UV rays can lead to significant damage to the eyes and vision.
A really great way to protect your eyes from UV rays is by wearing good eyewear. Be sure that your sunglasses or prescription glasses block 100 percent of UVA and UVB rays. An insufficient pair of sunglasses can sometimes be more harmful than having nothing at all. Basically, when your sunglasses don't give you any UV protection, you're actually being exposed to more UV rays. Such sunglasses will reduce the light, which causes your iris to open and let even more light in. This means that more UV will reach your retina. It's important to check that your sunglasses give maximum protection against UV.
Make an appointment to speak with your eye care professional about the various UV protection options, including adaptive lenses, polarized lenses and fixed tint sunglasses.