Many sunglasses are marked 'UV 400', which means ... 4 is the darkest. A category 4 will allow somewhere between 9% and 4% of visible light through to your eyes. This means they're not actually ...

“Sunglasses are rated by category, based upon the degree of UV protection as well as the darkness of the lenses.” There are four categories of protection ranging from 0 to 4. “The higher the ...

With protection equivalent to category-4 sunglasses, the sunroof provides effective protection from UV rays, while excellent light, heat and acoustic protection eliminates the need to fit a sunblind.

The higher the value achieved on a scale of 0 to 4 -, the more disturbing light the sunglasses lenses filter out. Category 2 is well suited to typically less harsh summers of northern Europe ...

Also, make sure the sunglasses are in the filter category range of 0-3. A lens carrying a filter category of 4 will be too dark for safe driving. Never wear sunglasses when driving in poor light.

Sunglasses are more than just fashion accessories ... In Britain there are four filter levels ranging from 1-4. Category 4 lenses are the darkest so might be useful on very bright days, but ...

but repels heat and UV rays – comparable to category-4 sunglasses. Another objective for Cactus was to deliver a stylish and relaxed atmosphere on board. Inspired by contemporary furniture ...

Korean researchers have invented a 'cat's eye' camera that sees in low light conditions and distinguishes objects from ...

Jane Hynous, 12, drew a “delightfully unhinged” werewolf that won Michigan’s inaugural “I Voted” sticker contest.

As for her ensemble, Normani wore a sleek suede minidress likely from the brand that featured sharp lines and tailored ...