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Product List
40606. 1.61 Single Vision Hmc UV400 Optical Lens Green Coating Protect Eyes 
[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.
40607. 1.56 Multifocal Progressive Blue Block Hmc Optical Lens [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.
40608. 1.61 Single Vision Hmc UV400 Optical Lens Green Coating [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.
40609. 1.61 Blue Block UV420 Photogrey Hmc Optical Lens [Sep 10, 2025]
[Sep 10, 2025] Spin coating change Lens : Spin coating Lens change adopts spin change technology, which completely subverts the previous basic change technology. Compared with base transformation, it is uniform and has no background ...
Company: Danyang Boris Optical Co., Ltd.
40610. 1.56 Flat Top Photochromic Grey Hmc UV++ Lens Optical 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.
40611. 1.56 Photo Brown Fast-Change Hmc 70/65mm Optical 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.
40612. 1.56 Single Vision Hmc UV400 Blue Cut Optical Lens Blue Coating [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 ...
Company: Danyang Boris Optical Co., Ltd.
40613. 1.56 Photochromic Grey Hmc Blue Blocking Optical Lens Sunglasses 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.
40614. Spectacles Lens 1.61 Mr-8 Blue Block Shmc Eyeglasses Optical Lens [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.
40615. Middle Index 1.56 Photogrey Lens Photochromic Brown Hmc Eyeglasses Optical Lenses [Sep 10, 2025]
[Sep 10, 2025] The main feature of photochromic lenses is that they can darken and lighten in response to different light conditions. When exposed to ultraviolet light, usually from natural sunlight, a chemical reaction darkens the ...
Company: Danyang Boris Optical Co., Ltd.
40616. 1.56 Photochromic Grey Flat-Top Hc Spectacles Optical 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.
40617. 1.56 Single Vision Hmc UV400 Optical Lens Blue Coating High Quality 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 ...
Company: Danyang Boris Optical Co., Ltd.
40618. 1.61 Single Vision Blue Cut Optical Lens Green Coating [Sep 10, 2025]
[Sep 10, 2025] The characteristics of blue light blocking lenses are: It can effectively filter harmful blue light that causes eye strain. Reduces symptoms like headache, insomnia and low energy. Can block ultraviolet rays of 400nm ...
Company: Danyang Boris Optical Co., Ltd.
40619. Middle Index 1.56 Single Vision Hmc UV420 Blue-Block 70/65mm Optical Lens [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.
40620. 1.56 Middle Index Photochromic Brown Hmc Optical Lens Drive 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.
