O.T.G.
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O.T.G. are "Over The Glasses" sunglasses : designed to fit over glasses
| Frame | Lens' Surface Treatment | Lens | Category | polarized | TAC | % Light Absorbed |
| Noir | GREY | Gris | 3 | oui | 0.8 | 83.43% |
| Noir | SUNRISE | Ambre | 2 | oui | 0.8 | 76.35% |
They come with a hard protective case.
O.T.G. are sunglasses with an enlarged frame and temples, specifically designed to fit your prescription glasses. Your glasses will be hidden behind your sunglasses.
You thus obtain a perfect protection against UV in addition to the visual acuity of your glasses. Lens height of 42mm.
It is also important to know that the color of the lenses has absolutely no influence on UV protection. The color of your lenses will only be determined by your preferences!
Information on sun lens categories :
The darker a lens, the more it reduces the amount of light entering the eye. This action is not on the UV but on the glare caused. European standards define 4 categories of tinted glasses, category 1 being the clearest and category 4 the darkest :
• Category 1 :
Slightly tinted glass for attenuated solar luminosity.
Absorbs between 20% and 57% of visible light.
• Category 2 :
Medium tinted glass for average sunlight.
Absorbs between 57% and 82% of visible light.
• Category 3 :
Dark glass for strong solar luminosity.
This lens is the maximum category allowed for driving.
Absorbs between 82% and 92% of visible light.
• Category 4 :
Very dark glass for exceptional solar luminosity.
Prohibited for driving
Absorbs between 92% and 97% of visible light.
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