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37261. 1.61 Single Vision Hmc UV420 Blue-Block Optical Lenses Blue Light Lens 
[Jun 15, 2026]
[Jun 15, 2026] 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 ...
Company: Danyang Boris Optical Co., Ltd.
37262. 1.56 Multifocal Progressive Blue Block Photogrey Hmc Optical Lens [Jun 15, 2026]
[Jun 15, 2026] 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.
37263. M-Index 1.56 Single Vision UV420 Blue-Block 70/65mm Optical Lens [Jun 15, 2026]
[Jun 15, 2026] 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.
37264. 1.56 Bifocal Flat Top Blue Block Hmc Reading Lens Optical Lenses [Jun 15, 2026]
[Jun 15, 2026] 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.
37265. 1.591 PC Blend Invisible Blue Block Photogrey Hmc Optical Lens [Jun 15, 2026]
[Jun 15, 2026] PC material lens is polycarbonate (polycarbonate) abbreviation, PC lens is also known as space film is very light. The main performance is safety explosion-proof, you even use hammer hit it is not necessarily ...
Company: Danyang Boris Optical Co., Ltd.
37266. 1.61 Blue Block UV420 Shmc Optical Lens [Jun 15, 2026]
[Jun 15, 2026] 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.
37267. 1.61 Mr-8 Blue Block Hmc Optical Lens Anti Blue Light Lens [Jun 11, 2026]
[Jun 11, 2026] 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.
37268. 1.591 PC Blue Block Photogrey Hc Optical Lens [Jun 09, 2026]
[Jun 09, 2026] PC material lens is polycarbonate (polycarbonate) abbreviation, PC lens is also known as space film is very light. The main performance is safety explosion-proof, you even use hammer hit it is not necessarily ...
Company: Danyang Boris Optical Co., Ltd.
37269. 1.499 Single Vision Optical Lens 65mm UC Cr39 [Jun 09, 2026]
[Jun 09, 2026] 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.
37270. 1.61 Asp Blue Block UV420 Shmc Optical Lens [Jun 08, 2026]
[Jun 08, 2026] 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.
37271. 1.591 PC Progressive Blue Block Hc Optical Lens [Jun 11, 2026]
[Jun 11, 2026] PC material lens is polycarbonate (polycarbonate) abbreviation, PC lens is also known as space film is very light. The main performance is safety explosion-proof, you even use hammer hit it is not necessarily ...
Company: Danyang Boris Optical Co., Ltd.
37272. 1.591 PC Progressive Blue Block Photogrey Hc Optical Lens [Jun 11, 2026]
[Jun 11, 2026] PC material lens is polycarbonate (polycarbonate) abbreviation, PC lens is also known as space film is very light. The main performance is safety explosion-proof, you even use hammer hit it is not necessarily ...
Company: Danyang Boris Optical Co., Ltd.
37273. Cr39 1.499 Flat Top Bifocal Hmc 70/28mm Eyeglasses Optical Lens [Jun 15, 2026]
[Jun 15, 2026] 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.
37274. China Hot Sale Ale-1000 Auto Optical Lens Edger [Apr 15, 2026]
[Apr 15, 2026] The size of the diamond wheel CR Wheel 100*15.6 Glass Wheel 100*14 Groove Wheel 100*19 Polishing wheel 100*19 Available lens rane 22mm~100mm The processing type Pointy edges, platband, bevel polishing The ...
37275. Grb Optical Lantern Round Shape Lens for Microscopic Instruments [Apr 02, 2026]
[Apr 02, 2026] Product Description 1.Corrosion Resistance Insulating glass Heat Absorbing heat-protecting GRB Used On Optical Lantern Round Shape Lens. 2.GRB optical glass is used in microscopic instruments and optical ...
