WAYFARER
One of the earliest surviving depictions of a person wearing sunglasses is of the scientist Antoine Lavoisier in 1772 Yellow amber and brown-tinted.
PILOT
The lenses of polarized sunglasses reduce glare reflected at some angles off shiny non-metallic surfaces, such as water.
ROUND
The most widespread protection is against ultraviolet radiation, which can cause short-term and long-term ocular problems.
CLUBMASTER
More recently, high-energy visible light has been implicated as a cause of age-related macular degeneration before debates had already.
RACTANGLE
The only way to assess the protection of sunglasses is to have the lenses measured either by the manufacturer or by a properly equipped.
SQUARE
It is not possible to "see" the protection that sunglasses offer Dark lenses do not automatically filter out more harmful UV radiation and blue light.