Sunglasses are Fashionable and Functional
While sunlight is a beautiful thing, too much of anything can be harmful. In addition to making a unique fashion statement, sunglasses are also functional and can prevent sun damage to the eyes to improve and protect vision.
From sunburn to skin cancer, almost everyone is aware of the damage ultraviolet (UV) radiation can inflict on their skin. However, very few understand the dangers of UV exposure to their eyesight. In fact, while more than 8 out of 10 Americans know that extended UV exposure can cause skin cancer, fewer than 1 out of 10 know it can harm their eyes. Additionally, 20% of Americans mistakenly believe that UV damage is reversible.
Because so few people understand the detrimental effects of UV exposure, many aren’t taking the best steps to protect and preserve their vision. For example, less than half of Americans get a regular eye exam, which can be instrumental in detecting and preventing serious vision problems and eye disease. Additionally, more than 4 out of 10 don’t wear UV blocking sunglasses during the winter months when UV rays are still a threat.
Sunglasses Quality Matters
Did you know that wearing an inadequate pair of sunglasses can be worse than wearing no sun protection at all? If a pair of sunglasses offers no UV protection, the wearer is actually increasing his or her exposure to UV rays. The inadequate sunglasses will block some of the light, causing the pupil of the eye to enlarge and allow more light in. This also lets in more UV light, increasing the amount of damaging light reaching the retina. Quality sunglasses are designed to absorb UVA and UVB rays. However, not all sunglasses block 100% of UV rays, and therefore may not be effective in preventing sun damage to the eyes.
Considering the potential damage that UV exposure can cause to eyesight, everyone should be wearing lenses that block 100% of UVA and UVB rays.
Polarized Lenses Block Glare
Polarized lenses are helpful in blocking polarized light. This type of light is created by reflected light. When bright light bounces off of horizontal surfaces such as water, cars, snow, or the highway, it can cause intense glare. Bright glares make it difficult or impossible to see. Polarized lenses can be beneficial for certain situations, including driving, skiing and fishing because they cut the scattered light causing a glare. Fishermen, for example, often use polarized lenses to help them see beneath the water and better locate fish. While most polarized lenses have built-in UV-blocking features, it is important to check the lens labeling to determine if the sunglasses offer full protection. Regardless of the type of sun protection chosen, the quality of the lens is important.
Stop and ask Dr. Duong to be sure your sunglasses provide 100% protection from UVA and UVB rays. If they don’t, we can help you pick out a fashionable pair offer function and protection too!
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