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Technical Data
| 1.56 S/F SHORT CORRIDOR PROGRESSIVE BLANKS | ||||||||
| MARTERIAL REFRACTIVE INDEX=1.56 TOOLING INDEX=1.530 | ||||||||
| Diameter(mm) | Nominal Curve | Front Radius | T.C | Back Radius | BACK T.C | CT/ET | Frong sag Ring 50mm | RX Range Recommended |
| ɸ75 | 300B | 337.35 | 1.57 | 87.17 | 6.08 | 7.0/13.0 | 0.93 | -6.75Dto-8.00D |
| ɸ75 | 400B | 149.54 | 3.54 | 104.6 | 5.07 | 7.0/9.0 | 2.10 | +2.00Dto-4.25 |
| ɸ75 | 500B | 90.95 | 5.83 | 104.6 | 5.07 | 10.0/9.0 | 3.50 | 0.00Dto+3.50 |
| ɸ75 | 600B | 67.16 | 7.89 | 87.17 | 6.08 | 9.5/6.0 | 4.83 | -4.25Dto+6.00 |
Product Features
----Progressive lens
Progressive lenses are the most exciting and technologically advanced spectacle lenses available.
Progressive lenses are far more sophisticated and technologically advanced than their common name (often called “no-line bifocals”). The newest, best version of these lenses provides the closest thing to natural youthful vision that a presbyopic person can achieve. Progressive lenses provide an uninterrupted view of the world with a gradual focus change from far to near and everything in between without the traditional bifocal line that so many perceive as ugly and a sure sign of aging.
----Blue cut lens
Ultraviolet (UV) is part of the light transmitted by the sun, which is very important to our daily lives. However, over exposure to UV radiation, such as from sunlight or sunlamps, could have negative effects to our skin and eyes.
Eyes are the only internal tissues of the body directly exposed to UV light. Millions of people get eye diseases every year from prolonged UV exposure.
 | UV420 lens helps shield your eyes from the harmful effects of the sun with a high level of broad-spectrum UVA and UVB protection.
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The advantages of progressive blue cut lens
1. Clear vision at any distance
Near or far, gives you clear vision whatever the distance.
2. Perfect UV420 protection
Effectively blocks 100% UV and 40% of the blue light, reduces the incidence of retinopathy and provides improved visual performance and eye protection, allowing wearers to enjoy the added benefit of clearer and shaper vision, without altering or distorting color percepyion.
3. Total comfort in any task
Whether at work with a computer, using a smartphone or tablet screen, or simply reading the news paper, provides total comfort.
4. High resolution vision in any light
It lets you enjoy greater contrast and sharpness. The increase in quality is comparable to a full HD TV over a standard television.
5. Quick adaptation
Progressive blue cut lenses are tested and approved by wearers to ensure your satisfaction, including fast and easy adaptation. With Aogang lenses, adaptation is guaranteed.
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