BONA gafas gradientes de policarbonato, lente multi focal, 1,59 unidades
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- Supplier: Danyang Bo Na Optical Glasses Co. Ltd.Danyang Ltd.
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Products Description
Index | Monomer | Abbe value | Specific Gravity | ||
1.59 | Polycarbonate | 32 | 1.20 | ||
Transmission | Coat | Guarantee years | Place of origin | ||
97% | HMC | 3~5 years | China | ||
Diamater(mm) | Power range | ||||
75 | SPH: 0.00~+-2.00 ADD: +1.00~+3.00 | ||||
II. Polycarbonate progressive lens:
With progressive lenses, you won't need to have more than one pair of glasses with you. You don't need to swap between your reading and regular glasses.
---Vision with progressives can seem natural. If you switch from viewing something up close to something far away, you won't get a "jump" like you would with bifocals or trifocals. So if you're driving, you can look at your dashboard, at the road, or at a sign in the distance with a smooth transition.
---They look like regular glasses. In one study, people who wore traditional bifocals were given progressive lenses to try. The study's author said most made the switch for good.
1. Impact Resistant
Polycarbonate material was originally made for uses on canopies covering fighter planes and then made its way into space on astronaut visors and space shuttle windshields. Today it is readily available to the public. It impact resistance makes the material extremely suitable for sports, industrial safety goggles, and children's eyewear.
With progressive lenses, you won't need to have more than one pair of glasses with you. You don't need to swap between your reading and regular glasses.
---Vision with progressives can seem natural. If you switch from viewing something up close to something far away, you won't get a "jump" like you would with bifocals or trifocals. So if you're driving, you can look at your dashboard, at the road, or at a sign in the distance with a smooth transition.
---They look like regular glasses. In one study, people who wore traditional bifocals were given progressive lenses to try. The study's author said most made the switch for good.
1. Impact Resistant
Polycarbonate material was originally made for uses on canopies covering fighter planes and then made its way into space on astronaut visors and space shuttle windshields. Today it is readily available to the public. It impact resistance makes the material extremely suitable for sports, industrial safety goggles, and children's eyewear.
Coating Choice:
Hard Coating/ Anti-scratch Coating | Anti-reflective Coating/ Hard Multi Coated | Crazil Coating/ Super Hydrophobic Coating |
Avoid ruining your lenses quickly--- protect them from getting scratched easily | Reduce glare by eliminating the reflection from the surface of the lens-- not to be confused with palarized | Make the surface of the lenses super hydrophobic, smudge resistance, anti static, anti scratch, reflection and oil |
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