Ray-Ban

Healthy Eyes Never Go Out Of Style  

If you buy a new pair of sunglasses each season,
 there’s a good chance that you want something stylish,
  a pair of shades that accent your looks
 and make a fashion statement.
 While there’s nothing, wrong with this,
 you need to take a closer look at what you’re buying.
 After all, fashion means little
if those brand new sunglasses fail at the most important purpose
  – protecting your eyes from the
 - harmful effects of the sun’s ultraviolet (UV) rays year-round.

 

Yes, 

 

the sun can cause damage to more than your

skin. Those harmful UV rays can lead to a host of

vision problems, some severe.

 

But there’s good news.

  You can get the look you want

by shopping smart.

 

 

up to 80% off

 

Why Looks Aren’t Everything

 

It’s important to understand the need for sunglasses

in protecting your vision while outside:

 

UV Protection:

 

The sun’s UV rays can damage the

skin of the eyelid as well as the cornea, lens and other

parts of the eye. Even short-term, excessive exposure

during a day at the beach could lead to photokeratitis.

Often called “a sunburn of the eye” or “snow

blindness,” it’s usually temporary but painful. Those

UV rays can cause more serious conditions over the

years, including cataracts, pterygium (an abnormal

growth of the covering of the white of the eye onto the

cornea), and cancer of the eyelids, skin around the eye

and even the eye. Wearing wide-brimmed hats and

caps only block about half of this radiation.

 

Blue-light Protection:

 

Long-term exposure

may cause damage to the retina, which can lead

to macular degeneration – the leading cause of

blindness in adults in the United States. The blue and

violet portion of the sun’s rays has been shown to be a

contributing factor in damaging the retina.

 

See Better:

 

Ever squint in the sun, find it hard to see

objects, especially when driving, and have your eyes

water? Bright sunlight and its glare simply impede

your ability to see and see comfortably.

 

 

 

AOA recommends lenses that block 99 to

  100 % 

of UV-A & UV-B rays.    

 
• Dark Adaptation:

Chances are you’ve looked at a
bright light and then found it difficult to see in darker
conditions. Spend as little as two to three hours in
the sun without sunglasses and you can hamper your
eyes’ ability to adapt when you step indoors.
 

 

Look for Protection

Healthy eyes never go out of style. To ensure that
you buy sunglasses that assure protection, the AOA
recommends:

• Lenses that block out 99 to 100 percent of both UV-A
and UV-B rays.

• Screen out 75 to 90 percent of visible light.

• Ask your optometrist and optician to recommend
the best lens color and darkness that ensures comfort
and critical vision when driving or out in the sun.

• Lenses are perfectly matched in color and are free
of distortion and imperfection.

• A frame that fits close to your eyes and contours to
the shape of your face. This prevents exposure to UV
rays from all sides, even from behind.

• Prescription glasses with tints and full UV
protection. And while some contact lenses also offer
UV protection, these should be worn with sunglasses
to maximize your protection.

Be Aware and Beware:

 
For starters, no matter the age, sunglasses are a
must. It’s critical for children since their eyes are
more transparent than an adult’s, which makes it
easier for UV rays to reach a child’s retina.

There are no federal requirements that govern UV
protection, light transmission levels or the lens
quality of sunglasses. 

The AOA and several other vision-related
organizations strongly recommend that you look
for sunglasses that block 99 to 100 percent of UV
radiation.

Don’t be fooled by the color or darkness of lenses.
Neither factor solely determines the level of UV
protection.

Protection First: Your Checklist

 
You can find sunglasses to fit your style but the AOA
recommends that you shop for quality first so you
buy sunglasses that offer the UV protection you need.
Here are some items to make you a better shopper:

• Don’t be confused or misled by UV labels. Ask your
optometrist for advice.

• Check those lenses for a uniform tint, not darker in
one area from another. Gradient lenses should lighten
gradually from top to bottom. And the AOA suggests
gray, which is especially important when driving,
since this offers the best color recognition.

• Look closely to make sure the lenses are distortion-
free. You can do this by looking through them at a
straight line in the distance, such as the edge of a
door. Slowly move the lens across the line. You’ll see
imperfections if the straight edge distorts, sways or
curves.

• Your lenses need to block light so try them on in
front of a mirror. Now, if you see your eyes too easily,
the lenses probably aren’t dark enough. The same
test doesn’t work on photochromic lenses, though,
since these change color with light.

Sunglasses With a Purpose

 
Lenses and frames can enhance your vision for
particular activities so you may need more than
one pair of sunglasses. Here are some choices to
consider:

• Polarized Lenses reduce reflected glare such
as sunlight that bounces off snow or water. 

Consequently, these add comfort and enhance vision
when cross-country skiing, fishing or driving. 

• “Blue-blocking” Lenses help make distant objects
easier to see, especially in snow or haze. That’s great
for skiers, boaters and hunters. But when driving
make sure you can properly distinguish traffic lights.

• Photochromic Lenses offer convenience
since the lens darkens or lightens with the amount of available light.

• Polycarbonate Lenses provide impact protection, a
must for potentially hazardous work, sports and other
activities. Other impact-resistant materials such as
polyurethane and Trive® are now offered as well.

• Gradient Tint Lenses are available either as single-
or double-gradient. Single-gradient lenses are dark
on the top, lighter on the bottom to reduce glare,
which is useful while driving but not for playing
sports. Double-gradient lenses are dark on top and
bottom and lighter in the middle. This helps for water
or winter sports but not for driving.

• Performance Tints help improve visual performance
for certain activities. Consult your eye doctor for
recommendations.

• Wraparound Frames are a good choice that add UV
protection from all sides.

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