суббота, 2 апреля 2016 г.

Ray bans aviators



Sunglasses are essential for protecting your vision through the sun’s harmful rays. Similar to skin damage brought on by direct sunlight, its ultraviolet rays may also damage your eye tissue, lens and cornea. It can also boost your risk for cataracts, macular degeneration and photokeratitis - a short-term, but painful condition that involves blisters on the surface of the cornea because of corneal sun burn.

Wearing sunglasses play a pivotal role in terms of protecting the eyes coming from the effects of direct sunlight. Other than style, we have provided you with eight advice on things to look for when choosing the right sunglasses to your eyes.

1. Daily Accessory

Sun damage is cumulative, so wearing sunglasses at the outset of life will bring you in to the habit of protecting your vision each and every day. Choose two sunglasses that you simply will feel relaxed wearing year-round.

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2. Complete UV Protection

Search for sunglasses with complete UVA/UVB protection against ultraviolet light. These kinds of sunglasses usually are marked which has a sticker and protect as much as 99 percent of UVA/UVB rays. The standards, set via the American National Standards Institute, really should have nearly UV 4000 protection, so that the lenses should control rays with wavelengths as much as 4000 nanometers.

3. The Appropriate Tint

Always choose sunglasses along with the right tint. Ultraviolet coating is apparent, so a darker lens doesn’t really mean more protection. Instead, turn your attention toward gray, green and brown lenses, that happen to be best at minimizing color distortion and a better choice for driving. Avoid rose or yellow tints that causes it to be challenging to distinguish alterations in traffic lights, and affect your eyesight.

4. Polarized Lenses

Polarized lenses reduce glare from flat, smooth surfaces, and filter out light reflected over the water or pavement. For full outdoor functionality, consider polarized lenses with full UV protection.

5. Quality Lenses

To evaluate the optical expertise of the sunglasses, give attention to a vertical edge or line which allows your vision to sweep throughout the lens while moving your face backwards and forwards. Should there be any wiggle in the line, FDA guidelines keep in mind that the lenses can have an optical defect. Though price doesn’t equal UV protection, it’s crucial to choose sunglasses with quality lenses that don’t incorporate any optical defects.

6. Bigger is best

Try to find sunglass styles that wraparound and block harmful rays from entering into your eyes in the side. If that’s not your personal style, sunglasses with large lenses and wide temples give you the next best protection.

7. Fit Matters

Frames should fit snugly with your nose and ears without pinching, rubbing or being too near your brow area. When the sunglasses don’t fit correctly, light will enter in the eyes, compromising any UV protection.

8. Covers the Skin Around the Eyes

The eyelids and eye tissue are created from a thin skin that may be more prone to cancer of the skin and wrinkles. Wearing sunglasses which cover the skin near the eyes provides UV protection and delay or decrease any injury to this region.

Above all, make sure you go with a pair that you want to wear and wear often. The key benefits of sunglasses are only good to you if in use!

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