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 ?
Full Research Report On Global Plano Sunglasses (Polarized, Non-Polarized) Market Analysis available at: https://www.millioninsights.com/industry-reports/plano-sunglasses-market
"The basic purposes of sunglasses are to shield your eyes from damaging rays of the sun, to enable you to see clearly and comfortably in bright sunlight, to protect your eyes from injury or irritation," he stated.
Previously, eyeglass wearers with a prescription had problems securing a good pair of sunglasses since combining the fashion and style of shades with the functionality of specs was challenging.
If you're skeptical of the UV protection label on sunglasses, take them to an optical shop or an ophthalmologist's office, Seldomridge suggested.
He said that cheap sunglasses used a plastic lens which got hot in sunlight and made eyes water during when the weather became excessively hot.
15.99, Zara RAY-BAN RB3447 ARISTA 001 53MM: Treat yourself to these Ray Ban sunglasses which are available in multiple colours.
Dark brown tortoiseshell print sunglasses, PS7.99, New Look
Another sunglasses shopkeeper Younis told that every summer they witness a step rise in their sunglasses' sale.
Nubbz sunglasses have unique features that other sunglasses don't have.
From high street bargains to designer accessories, here are the best little and large sunglasses in the shops right now...
Rule 237 of the Highway Code states that drivers must slow down or pull over if dazzled by bright sunlight - so if you don't, and you're not wearing sunglasses to protect you from the glare then you could be convicted of careless driving.