Lenses Color: Clear; Customized: Customized; Coating: HMC; Power Range: Sph -0.25~-2.00,0.00~+3.00,Add +1.00~+3.00; Coating Color: Green,Blue; Specific Gravity: 1.28; Abbe Value: 35; After-sales Service: Yes; Warranty: 3 Years; Usage: Lighting, Optic...
Lenses Color:Clear; Customized:Customized; Coating:Cr-39; Power Range:Sph 0.00; Coating Color:Clear; Specific Gravity:1.32; Abbe Value:58; After-sales Service:One Year; Warranty:One Year; Usage:Lighting, Medical, Optical, Photography;
TF is short for “trifocal.”Trifocal lensesare similar to bifocal lenses, but they correct for three areas of vision—distance (at the top of the lens), intermediate (in the middle of the lens), and near (at the bottom of the lens). There is a visible line delineating the three se...
What is Ortho-K?The sleepSEE ortho-k vision correction system is a nonsurgical procedure used to correct your vision and control myopia (nearsightedness) progression in children. You wear orthokeratology contact lenses overnight while you sleep. Upon awakening, you remove the lenses, which results...
and then flips between different lenses. The astigmatism measurement is one part of an eyeglasses prescription, says See. The “sphere” (SPH) on the prescription is the lens power needed to correct your vision. The “cylinder” (CYL) number is how much astigmatism you have, and the “...
Power Range:Sph:-2.00~ +3.00 Add: +1.00~+3.00; Diameter:70, 75/12&14mm; Guarantee:3~5 Year; Keywords:Price Progressive Lenses; Function:for Presbyopic, for Astigmia, UV Protection, for Myopia; Age Group:Adults; Gender:Unisex; Suitable for Face:...
Lenses Color: Green; Gradient Color: Available; Function: for Presbyopic, for Astigmia, UV Protection, for Myopia; Material: Nk55, Imported From Japan; Type: Photochromic Lens; Abbe Value: 42; Specific Gravity: 1.16; Power Range: Sph:-2.00~ +3.00 Add: +1.00~+3.00...
1.61 ASP UV420 Blue Cut SPIN Photochromic HMC Optical Lens Product Name 1.61 ASP UV420 Blue Cut SPIN Photochromic HMC Optical Lens Diameter 65/70/75MM Monomer MR-8 (imported from Korea) Abbe value 41 Specific Gravity 1.30 Power Range Sph:0....
Lenses Color:Clear; Customized:Customized; Coating:HMC; Power Range:Sph -0.25~-2.00,0.00~+3.00,Add +1.00~+3.00; Coating Color:Green,Blue; Specific Gravity:1.32; Abbe Value:51; Usage:Lighting, Medical, Optical; Type:Convex Lens; Transmittance:>95%; ...