Cr39 1.499/1.56/1.61/1.67/1.74/1.59 Resin Bifocal, Progressive, Blue Light Cut, Photochromic Eyeglasses Optical Lens Video, Demo, How It Works & Features
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Product Specifications
Function:
for Presbyopic, for Astigmia, UV Protection, for Myopia
Material:
Cr39, Nk55, Mr-8, Mr-7, Mr-174
Type:
Anti-Reflective Lens
Coating:
HMC
Lenses Color:
Clear
Abbe Value:
32, 37.5, 40, 41, 42, 58
Specific Gravity:
1.15, 1.16, 1.28, 1.30, 1.32, 1.35
Coating Choice:
UC, Hc, Hmc, Shmc, Green, Blue, Gold
Power Range:
Sph: -20.00~+11.00 Cyl: 0.00~-6.00
Diameter:
55/65/70/72/73/75mm
Transmission:
> 97%
Guarantee:
3~5 Years
Key Word:
Ophthalmic Lens
Envelope:
While, Colored by Your Design
Brand:
Seesen
Trademark:
Seesen
Origin:
Danyang, China