Jiangsu Profile
Product List
16771. Cr39 Bifocal Round Top Hmc 70/28mm Optical Lens 
[Sep 10, 2025]
[Sep 10, 2025] What is Lens Index? The lens index refers to the index of refraction (otherwise known as refractive index) of lens material for eyewear. It is a relative measurement number that describes how efficiently the material ...
Company: Danyang Boris Optical Co., Ltd.
16772. 1.56 Manufacturers Optical Eyeglasses Lens Round Top Bifocal Lens for Near and Far [Sep 10, 2025]
[Sep 10, 2025] Bifocal lens can be used to correct both far and near vision, mainly for presbyopia. The general distribution of bifocal lens is: the upper part of the lens is to see the distance, the lower part of the lens is used to ...
Company: Danyang Boris Optical Co., Ltd.
16773. Middle Index Optical Lenses 1.56 Photo Green Optical Lens Plastic Lens Photochromic High Quality [Sep 10, 2025]
[Sep 10, 2025] Color changing lens, also known as "photosensitive lens". The glass lens is added with silver halide, but at present the mainstream is resin discoloration lens, in the acrylic resin lens with the addition of Pyrex ring ...
Company: Danyang Boris Optical Co., Ltd.
16774. Danyang Prescription Lenses Eyeglasses Round Top Rt-28 1.56 Photochromic Grey Eyeglass Optical ... [Sep 10, 2025]
[Sep 10, 2025] Bifocal lens can be used to correct both far and near vision, mainly for presbyopia. The general distribution of bifocal lens is: the upper part of the lens is to see the distance, the lower part of the lens is used to ...
Company: Danyang Boris Optical Co., Ltd.
16775. Spectacle Lenses Manufacturers Optical Eyeglasses Lens 1.56 Round Top Bifocal Lens for Near and Far [Sep 10, 2025]
[Sep 10, 2025] Bifocal lens can be used to correct both far and near vision, mainly for presbyopia. The general distribution of bifocal lens is: the upper part of the lens is to see the distance, the lower part of the lens is used to ...
Company: Danyang Boris Optical Co., Ltd.
16776. High Index 1.74 Asp Aspheric UV420 Hmc Spectacle Lenses Blue Blocking Anti Blue Light Prescription ... [Sep 10, 2025]
[Sep 10, 2025] Spin coating Lens : Spin coating Lens adopts spin change technology, which completely subverts the previous basic change technology. Compared with base transformation, it is uniform and has no background color; ...
Company: Danyang Boris Optical Co., Ltd.
16777. 1.56 Semi Finished Progressive Photochromic Blue Block Lens [Sep 10, 2025]
[Sep 10, 2025] Lens: A piece of glass or other transparent material with one or more curved surfaces through which objects appear clear, larger, or smaller. Usually used in glasses, cameras, telescopes, etc Classification: Lenses can ...
Company: Danyang Boris Optical Co., Ltd.
16778. Danyang Glasses 1.67 Asp Blue Cut Photochromic Lens Photogrey Anti Blue Cut UV420 Hmc Lenses [Sep 10, 2025]
[Sep 10, 2025] Spin coating Lens : Spin coating Lens adopts spin change technology, which completely subverts the previous basic change technology. Compared with base transformation, it is uniform and has no background color; ...
Company: Danyang Boris Optical Co., Ltd.
16779. Prescription Plastic 1.74 High Index Lens Single Vision Optical Lenses for Eyeglasses Lens [Sep 10, 2025]
[Sep 10, 2025] 1.74 Lens Full name 1.74 refractive index lens, with high refractive index, high transmittance, high Abbe number characteristics, in the case of the same myopia degree, can significantly reduce the thickness of the ...
Company: Danyang Boris Optical Co., Ltd.
16780. 1.56 Photochromic Grey Progressive Blue Cut Blue Block Optical Lenses [Sep 10, 2025]
[Sep 10, 2025] Progressive multifocal lenses are also called progressive lenses, which have multiple focal points on one lens as the name implies. If the lens is divided from the focus, it can be divided into single focus lens, double ...
Company: Danyang Boris Optical Co., Ltd.
16781. Optical Lens Manufacturers in China 1.61mr-8 High Index Anti Blue Light UV420 Hmc Wholesale Optical ... [Sep 10, 2025]
[Sep 10, 2025] What Is Blue Light? Sunlight contains red, orange, yellow, green and blue light rays and many shades of each of these colors, depending on the energy and wavelength of the individual rays (also called electromagnetic ...
Company: Danyang Boris Optical Co., Ltd.
16782. Middle Index 1.56 UV420 Blue Cut Hmc Optical Lens Anti Blue Light Glare Lenses [Sep 10, 2025]
[Sep 10, 2025] Blue cut lens can effectively filter out harmful blue-violet light, protecting the eyes and preventing eye diseases such as age-related macular degeneration.It can reduce glare and improve visual contrast, making ...
Company: Danyang Boris Optical Co., Ltd.
16783. Index 1.56 Cr39 Photo Brown Optical Lens Photochromic Photo Grey Hmc Spectacle Eyeglasses Lens [Sep 10, 2025]
[Sep 10, 2025] Color changing lens, also known as "photosensitive lens". The glass lens is added with silver halide, but at present the mainstream is resin discoloration lens, in the acrylic resin lens with the addition of Pyrex ring ...
Company: Danyang Boris Optical Co., Ltd.
16784. High Index 1.67 Manufacturing Ophthalmic Lenses UV400 Asp Aspheric Finished Single Vision Lens [Sep 10, 2025]
[Sep 10, 2025] What is Lens Index? The lens index refers to the index of refraction (otherwise known as refractive index) of lens material for eyewear. It is a relative measurement number that describes how efficiently the material ...
Company: Danyang Boris Optical Co., Ltd.
16785. 1.67 High Index UV420 But Cut Blue Blocking Computer Lenses Supplier Lens Price [Sep 10, 2025]
[Sep 10, 2025] What is Lens Index? The lens index refers to the index of refraction (otherwise known as refractive index) of lens material for eyewear. It is a relative measurement number that describes how efficiently the material ...
Company: Danyang Boris Optical Co., Ltd.
