Protection from the sun’s harmful UV rays is the essential quality of effective sunglasses, but how can you tell if your sunglasses have UV protection?
The best way to determine if your sunglasses have UV protection is to look for a label, precisely one that shows UV 400 or 100% protection against UV A and UV B rays.
Want to make sure your sunglasses protect against the harmful rays of the sun? You can take your sunglasses to an ophthalmologist or do some simple tests with your glasses to see how well they block UV rays.
Exposure to UV rays from the sun can hurt your eyes and endanger your eyesight.
In particular, cataracts that occur when the naturally transparent lenses in the eye become cloudy or opaque are associated with exposure to sunlight. Studies show that the longer people spend in the sun, the higher their risk of cataracts as they get older.
Excessive UV exposure is also associated with corneal sunburn, damage to retinal tissue, degeneration of the macula, and abnormal growth of the eye’s surface.
Sunglasses that block 100% UV radiation provide the best possible protection against these health risks.
Be sure to wear sunglasses when you go out, even if it is cloudy during the day. Cloud layers block some of the visible light, but they cannot prevent harmful UV light from reaching the earth’s surface.
Get Sunglasses with Proper UV protected sunglasses with UV400 protection at your local optics store or online eyewear retailer.
There is no relationship between the color and darkness of the sunglasses lenses and the amount of UV protection they provide. The color and intensity of the lens tint only indicate the amount and type of visible light that is blocked.
For example, a bright amber tone enhances contrast. Dark amber tones prevent glare, and gray lenses reduce glare.
Wearing dark glasses can actually endanger your eyes. Wearing dark sunglasses dilates your pupils, allowing more light to enter behind your eyes than if you weren’t wearing sunglasses.
If you want to wear sunglasses with darker or darker lenses, make sure you also offer UV400 protection.
Ideally, it would help if you had UV 400-protected sunglasses. UV400 blocks almost 100% of the sun’s harmful UV rays. This ensures that light with wavelengths up to 400 nanometers, such as UVA and UVB rays, is blocked.
Most sunglasses have a label that indicates the degree of UV protection. Look for a brand that specifies 100% protection against UVA and UVB rays.
In addition, sunglasses with larger lenses or a wraparound style frame provide additional protection against UV rays that hit your eyes from all angles.
Polarized lenses with special filters that reduce glare from reflected light are not always UV protection lenses.
Conclusion: When buying new sunglasses, it is essential to check the label to ensure 100% UV protection.
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