The 1.60 single Vision lens has index of 1.60 and is made of acrylic and MR-8. Thinner lenses reduce the overall weight of the glasses. The aspherical design of sv lenses effectively reduces aberrations, expands the field of view, and makes the visual quality more natural and clear ‌. Myopia above 400 degrees is recommended.   Types of 1.61 Lens China Factory Price 1.61 ASP Acrylic Lenses Optical Lens Eyewear Glasses Single Vision 1.61 Aspheric MR-8 HMC Hard Multi Coated Prescription Lenses Advantages of 1.61 Single Vision Lenses for Enhanced Clarity 1.60 MR-8 lenses have a higher Abbe number and less dispersion, which means that light can more accurately maintain ...

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The progressive lenses is to regulate and meet the visual needs of the wearer in different eye distances (near → middle → far) and different eye environments through multi-focus design. The corridor  design is responsible for the gradual and continuous transition from the distance to the near degree, so as to use it to see the medium distance object, the more reasonable the transition, the more natural and clear the visual transformation, and the more comfortable it will be. As one the the professional bifocal lens suppliers, Crystal Optical can provide customized services with your own design.   Features of CR-39 Uncoated Prescription ...

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The main function of the UV400 lens is to prevent UV damage to the eyes. The UV400 lenses filter out more than 99% of UV rays, especially those with wavelengths below 400 nanometers, providing close to 100% UV protection ‌12. This 1.56 optical lens can effectively protect the eyes from UV damage and reduce the risk of eye diseases.   Features of 1.56 UV400 Protection Aspheric NK55 Resin Lenses For Eye Optical Lens UV400 lenses usually have a yellowish color. This is because when the UV400 lens filters ultraviolet light, it absorbs some blue light, causing the lens to look yellow.     UV400 lens blocks UVA, UVB and ...

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1.499 HC lens is Hard Coated single vision lens, the material is CR-39. CR39 single vision lenses have a high Abbe number, high light transmission, which means that they can provide clearer visual effects, reduce dispersion phenomenon. In addition, the CR-39 material is relatively light, which makes the wearer more comfortable.   Features of China Factory Wholesale Price 1.49/1.50 Hard Coated Eyeglasses Optical Lens CR39 resin lenses have a transmittance of 92%, slightly higher than glass lenses with 91%.The specific gravity of CR39 is 1.32g/cm3, compared to 2.54g/cm3 for glass lenses, which means that CR39 is lighter. CR39 is more impact-resistant and ...

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This 1.499 UC lens is uncoated single vision lens. The material of the single vision lens is CR-39. CR39 single vision lenses have a high Abbe number, high light transmission, which means that they can provide clearer visual effects, reduce dispersion phenomenon. In addition, the CR-39 material is relatively light, which makes the wearer more comfortable.   Features of CR39 1.499 Single Vision Uncoated Plastic Optical Lenses CR39 resin lenses have a transmittance of 92%, slightly higher than glass lenses with 91%. The specific gravity of CR39 is 1.32g/cm3, compared to 2.54g/cm3 for glass lenses, which means that CR39 is lighter. CR39 is ...

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