sunglasses

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Tinted protective eyewear used to decrease the eye’s exposure to potentially harmful sunlight. Sunglasses are rated according to the amount of UV light they block.

sunglasses  

A tinted pair of glasses used to ↓ light arriving at the eye, which are labeled according to the amount of UV light blocked; nonprescription glasses are classified according to use and amount of UV radiation blocked
Sunglasses
Cosmetic sunglasses Block 70% of UVB, 20% of UVA; designed for 'around town' use, 'looking cool'
General purpose sunglasses block 95% of UVB, 60% of UVA; designed for most outdoor activities
Special purpose sunglasses block 99% of UVB, 60% of UVA; designed for very bright environments–eg, snow, open boat yachting, laser work; prescription sunglasses are constructed of plastic or glass–eg, CR-39, polycarbonate, polychromic glass; the solar radiation-protecting chemical is allyl diglycol carbonate NY Times 16/11/93; C5

sunglasses

Eyeglasses that protect the eyes from exposure to visible as well as ultraviolet rays. For optimal eye protection outdoors, wraparound sunglasses or solar shields that block both ultraviolet A and ultraviolet B rays should be worn.

sunglasses 

Spectacles that have tinted lenses. They are used to protect the eyes from bright sunlight, for special cases (e.g. fear of light) or for cosmetic reasons. See cataract; tinted lens; photophobia; pterygium; ultraviolet.
References in periodicals archive ?
"We have established ourselves with our wide product range covering sun glasses, frames and contact lens categories.
A metaphor which occurred to me was that of the prisoners in the Beethoven opera, Fidelio, on their release from harsh confinement (without sun glasses!) blinking and straining their eyes in the unaccustomed brightness.
The 'I Wanna be in Her Shoes Award' went to Dansi for a cartoon drawing of an Asian woman comfy in running shoes and casual clothes, sitting on a rooftop patio with her lap-top, sun glasses and cell phone while the rest of the world slogs through rush hour.
Among the newly licensed manufacturers joining the Team Realtree Signature Collection are Walls Industries, Thompson/Center, Aladdin (thermos bottles, coolers, flashlights), Wenger (knives and watches), Hodgman (waders), Ellipsis (sun glasses), B-Square (sights and scope rings), Elastic products (belts), Outdoor Cap, Flint River (shirts and apparel), Paramount (caps), Kudzu (caps), 3-D (belts), Duko (ladies fashion) and Milliken (rugs).
Eighty percent of everything ever built in America has been built in the last fifty years, and most of it is depressing, brutal, ugly, unhealthy, and spiritually degrading - the jive-plastic commuter tract home wastelands, the Potemkin village shopping plazas with their vast parking lagoons, the Lego-block hotel complexes, the "gourmet mansardic" junk food joints, the Orwellian office "parks" featuring buildings sheathed in the same reflective glass as the sun glasses worn by chain gang guards, the particle board garden apartments rising up in every meadow and cornfield, the freeway loops around every big and little city with their clusters of discount merchandising marts, the whole destructive, wasteful, toxic, agoraphobia-inducing spectacle that politicians proudly call "growth."
All told, three men and three women are declared winners, each of whom are awarded skis, sun glasses or ski gloves during a Molson "apres ski" party.
Consumers now tend to own more sun glasses compared to spectacles.
This strong performance was due to higher value growth in areas like women's luxury sun glasses, men's luxury small leather goods and women's luxury bags.
Lad & Turner Opticians of Wylde Green have sponsored the event and donated sun glasses for a raffle.
The man was also described as wearing a dark green, wax-type jacket with a hood and dark sun glasses.
"Ironically, it is the time of year when motorists are least likely to carry sun glasses, even though it is precisely when they may need them most," he says.
The millionaire actress boarded a plane from Heathrow to New York wearing a T-shirt with the Queen on the front and purple sun glasses.