How to Choose Sunglasses to Protect Eyes

How to Choose Sunglasses?
Cataract, conjunctivitis, AMD… Ultraviolet rays are causing havoc on our eyes. Here’s how well to choose your sunglasses!

Responsible Sun of cataract

According to the World Health Organization (WHO), 20% of cataracts are related to sun exposure. Explanation: regular and prolonged exposure to the Sun without wearing glasses causes the clouding of the lens of the eye (lens behind the iris). The view down gradually, the bright light bothers… It’s cataract! The lesion of the lens by the ultraviolet rays of the Sun causes an earlier appearance of 5 to 10 years of cataract.

UV can cause of conjunctivitis

Ultraviolet rays do not address only the lens and the retina. They may also, during prolonged exposure, causing inflammation of the mucous membranes lining the inside of the eyelids and the white of the eye. Result: a painful thickening of the conjunctiva. To prevent this type of conjunctivitis, one solution: wear quality sunglasses. Adapted lenses protect the eye from UV and avoid inflammation.

Sun: how to avoid the keratitis

The Sun can also cause of keratitis. Symptoms: eye stinging, tearing, photophobia. The cornea may, an hour or two after exposure to the Sun without protection, victim of ulcerations which, if ignored, may lead to a chronic keratitis.

Note: the UV rays are invisible to the naked eye.

They therefore cause eye burns without dazzle! One more reason to wear protective sunglasses.

Glasses: choose what lenses?

Solar glass classic, polarized or photochromic? Not always easy to navigate! To put it simply:

-Classic sunglass: UV protection according to the category (from 0 to 4) and reduction of glare according to sunglasses faqs listed on Theinternetfaqs.

-Polarized glass: good protection to UV, very strong reduction of glare (water, snow, road…), improvement in the perception of contrasts, volumes and colours.

-Photochromic glass (their color varies depending on the brightness): UV protection and satisfactory glare reduction with a medium brightness (in town)

Glasses: for what protection opt?

Be sure to protect his eyes, to glasses, filtering UV depending on exposure. There are five categories:

-Category 0: no sun protection, comfort and aesthetics.

-Categories 1 and 2: muted and medium brightness (in town).

-Category 3: strong brightness (at the beach).

-Category 4: extremes of brightness (high mountain, high seas).

Caution: Do not confuse filtering and tinted glasses! The first protect the rays, the second glare. The tinted are dangerous: behind them, the pupil opens and lets more UV.

Sunglasses: mandatory standards

Market, seasonal shop, supermarket… The happiest days approach, most sunglasses flourish in the shopping stalls. Attention yet to affect the quality of the product offered you! Sunglasses to the standards must include:

-Mark “CE” (European Community) in legible and indelible way

-the information notice with the filtering power of the glasses (category 1-4).

The resistance of the glasses (unbreakable or not) can be mentioned but it remains optional.

Sunglasses: brand or not to brand?

Gucci, Dior, Rayban… Are we better protected from the Sun with sunglasses brand? The brand guarantees quality. But they protect better than glasses without brand.

In fact, the most important thing to remember is to opt for glasses 100% UV (this reference figure in general on the pair of glasses). Thus, the choice will be larger if you go to an optician, because “they are forced to sell eyeglasses, guaranteeing total protection against UV rays.

Contact lenses protect from UV?

It depends! Some contact lenses come with UV filters, but others do not! Just ask your optician or eye doctor to find out. Also, be aware that even if your lenses have a UV filter, they protect the cornea, the lens and the retina of the rays of the Sun but not the eyelids and conjunctiva.

It is advisable to wear in addition to sunglasses (0 to 4 depending on the exposure category).

Note: there are two categories of protecting against UV lenses: lenses specially processed for this purpose, and the tinted lenses say “solar”, particularly recommended for people regularly being outside.

Gallery

How to Choose the Perfect Sunglasses for You

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