Minimizing sun exposure and wearing sunglasses will greatly reduce risk of eye damage. Long-term exposure to the sun’s ultraviolet rays can build up in the eyes, and may lead to cancer in the eyes, cataracts and possibly glaucoma.
When shopping for sunglasses, low-cost brands can offer protection. However, the more you pay, the better quality you get. With cheaper products you won’t be sure which of the ultraviolet (UV) rays or how many nanometres (units of light) the glasses will block.
There are three types of UV rays: UVA, UVB and UVC. With higher-end glasses, you’re assured protection against all three, and they offer the recommended 400 nanometres of light protection. And you are assured optical clarity, unlike cheaper glasses that may distort your view, adding to eye strain.
If you purchase “over-the-counter” sunglasses, make sure the label says 100% UV protection. And a darker tint has nothing to do with protectiveness against the sun’s ultraviolet rays. A chemical in or on the lenses provides the protection. Darker tints are more a factor concerning the sun’s brightness.
Test optical quality by holding the glasses about a foot from your eyes. View a straight line through each lens; the line shouldn’t be warped.
Small, fashionable sunglasses offer minimal coverage for the entire eye area, particularly the sides of the eyes. The best protection is from the wrap-around style, which fully cover the eyelids and all the way around to the temples.
When buying sunglasses for sports use, be concerned with impact resistance, as well as UV protection. Look for polycarbonate lenses (it should be stated on the label). These lenses won’t shatter when hit by an object. Sturdy, well-fitting frames offer more protection from eye injury if a ball strikes you. Choose curved, wrap-around lenses for sports where wind protection, or sun reflection is a concern. Darker tinting is helpful in very bright conditions, like snow or water activities.
Prescription sunglasses are advised for those serious about certain outdoor activities, like golfing, mountain biking, skiing or fishing.
Wear sunglasses even if your contact lenses provide UV protection, because contacts lenses won’t protect the entire eye. Children’s eyes also need to be protected. Their natural lenses are clearer making them more prone to sun damage.
Once protected, enjoy all the beautiful sights summer has to offer!
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Eve Lees has been active in the health & fitness industry since 1979. Currently, she is a Freelance Health Writer for several publication and speaks to business and private groups on various health topics.