Blue block transition lenses cr-39 1.56 photochromic blue cut ophthalmic lens eyeglasses lenses

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Blue block transition lenses cr-39 1.56 photochromic blue cut ophthalmic lens eyeglasses lenses

Model:
1.56 optical lens
Brand:
AoGang
Code:
9001509900
Refractive Index:
1.56
Diameter:
65/70MM
Monomer:
NK55 ( imported from Japan)
Abbe Value:
42
Specific Gravity:
1.15
Transmission:
>97%
Coating Choice:
HC/HMC/SHMC
Power Range:
SPH: 0.00~10.00/+6.00 ,CYL:0.00~ -6.00

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Quantity:


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Product Description

Index	1.56
Diameter	65/70 MM
Monomer	NK55 (imported from Japan)
Corridor Length	12/14mm
Abbe Value	37.5
Specific Gravity	1.28
Transmission	> 98%
Power Range	SPH: 0.00~10.00/+6.00 ,CYL:0.00~ -6.00

Product Features

1. Blue Cut Lenses

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What is the "Blue color light "of digital devises which is said to be the cause of glares, flickers: the shorter the wave length of the light is the more energy it has. The lights with shorter wave length, like ultraviolet rays are said to cause damage to the eyes.

Blue color light are lights in the range of visible rays with high frequency. They are lights in-between 380nm to 530nm. (violet to blue lights)
They are worried that they may cause damage to the eyes since they have very short wave length like as ultraviolet rays.

In our daily life, we are covered with bright lights such as TV, PC monitors and LED lighting.Many of these lights emit a lot of "Blue color light" to emphasis the brightness.

2. Photogrey Film

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Indoor Protective Lens	In the room or at night, the lenses color are basically transparent, the same as the ordinary lenses, like high light transmission performance, relieve visual fatigue,make you see the world more clear.
Outdoor Protective Lens	Lens under the action of ultraviolet light in the sun color, ultraviolet dark color change, deep, shallow light-colored ultraviolet light, isolated from UV damage, anytime, anywhere to protect your eyes.

Coating Choice

Hard Coated	Also can be called HC coating, is to enhance the hardness of the lens to prevent the substrate scratch
Hard Multi Coated	Also can be called HMC or AR coating, is to protect the lens effectively from reflection
Super hydrophobic Coated	Also can be called SHMC coating, is to make the lens waterproof, antistatic, anti slip and oil resistance