Greetings people.^^,
For this upcoming summer, I would like to share about the sunglasses which is one of the most important things to carry when we talk about summer.
This picture is credited to Google Images
People always taught that wearing a sunglasses is one of a trend of fashion nowadays. However, sunglasses is very important and inexpensive way to protect our eyes from the sun. Since the world nowadays has become so hot, wearing a sunglasses is one of the way to protect our eyes from UV light.
Important in summer as well as in winter, proper sunglasses keep
the UV rays from affecting our eyes and causing problems such as
cataracts. The best sunglasses will protect against .Polarized lenses can help if you're on the water a lot since they
reduce glare (WebMD, 2013).
Both of the pictures is credited to Google Images
Sunglasses can give you instant David Beckham cool, Paris Hilton
glamour, or the KPOP stars Kyuhyun. But they are much more than a
fashion accessory. Sunglasses are an essential tool in safeguarding the health of our eyes and the surrounding tissue.
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Credit to: The owner listed on the picture
How to pick good sunglasses according to the health of the eyes.
Just as the sun’s ultraviolet (UV) rays can damage skin, they can also harm the lens and cornea of the eyes. UV radiation increases the odds of getting cataracts, which cloud the eye’s lens and lead to diminished eyesight. It has also been linked to macular degeneration, a treatable, but incurable disease of the macular, a part of the retina that is essential for sharp vision (WebMD, 2013).
Sunglasses play a vital role in shielding the fragile tissue around the
eye. The skin, including the
eyelid itself, is very thin and vulnerable to skin cancer, and that’s especially troubling since dermatologists are reporting an epidemic in all types of skin cancer (WebMD, 2013).
1) Choose the Right Hue
The coating that blocks UV radiation is
clear, so a darker lens isn’t necessarily more effective than a lighter
one. But hue does play an important role in color perception. Yellow
or rose tinted lenses can make it difficult to distinguish changes in
traffic lights.
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Gray, green, and brown lenses minimize color distortion,
and are a better choice when you’ll be behind the wheel (WebMD, 2013).
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2) Option for Polarized Lenses If You Spend a Lot of Time on Water
Polarized
lenses reduce glare by filtering out the reflected sunlight that
bounces off surfaces like water or pavement. They’re a good option for
boaters or water skiers, and they can cut down on glare from flat,
smooth surfaces like road pavement or the hoods of cars.
Disadvantages: It can be difficult to read your cell phone, GPS device, or a
liquid-crystal display on a dashboard or ATM machine with polarized
lenses.
Caution: Be aware that polarization has nothing to do with UV
protection. So check the label to make sure the sunglasses provide full
UV filtering (WebMD, 2013).
The difference between regular and polarized sunglasses inside the water. Picture is credit to www.allfishingbuy.com
The above picture show the difference between polarized and without polarized lenses. Picture is credit to waverleyeyecare.typepad.com
3) Consider the Quality of the Lenses
Eye care
experts agree that price isn’t a gauge of UV protection. But very
inexpensive sunglasses are likely to contain lenses that are stamped out
of a mold rather than ground and polished, and that can affect optical
quality.
To test
optical quality, it is suggested that it should focusing on a vertical edge or line.
Move your head back and forth, allowing your eyes to sweep across the
lens. If there is any wiggle in the line, then the lenses may have an optical defect and you should choose
another pair (WebMD, 2013).
4) Bigger is Better
Wraparound sunglasses offer the broadest
protection against UV damage because they block more of the light that
hits your eyes from the sides. Sunglasses with large lenses and wide temples provide the next-best protection. Large
lenses cover a wider area of skin so there’s a decreased window for UV
penetration. Sunglasses that come down to your cheekbones
are a good choice (WebMD, 2013).
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5) Fit Matters
Sunglasses frames should fit snugly on your nose and ears without pinching or rubbing. To prevent light from hitting your eyes
from overhead, choose a pair that fits close to your face around the
brow area, but not so close that your eyelashes are hitting the lenses (WebMD, 2013).
Below are the references:
http://www.webmd.com/eye-health/features/how-to-pick-good-sunglasses
http://www.webmd.com/eye-health/features/how-to-pick-good-sunglasses?page=2
http://www.webmd.com/eye-health/features/how-to-pick-good-sunglasses?page=3
