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5266. High Index 1.67 Asp UV420 Blue Cut Lenses Anti Blue Ray Hard and Ar Coating Eyeglasses Optical Lens 
[Jun 17, 2026]
[Jun 17, 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.
5267. Cr39 Round Top Bifocal Hc 70/28mm Optical Lens [Jun 17, 2026]
[Jun 17, 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.
5268. Cr39 Bifocal Round Top UC 70/28mm 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.
5269. 1.56 Round Top Blue Block Hmc 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.
5270. Middle Index 1.56 Semi Finished Progressive Photo Grey Blue Block Hc Optical Lenses [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.
5271. 1.56 Photochromic Progressive Pgx Lenses Eyeglasses Lens Hmc Optical Lens [Jun 08, 2026]
[Jun 08, 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.
5272. 1.49 UC 65mm, Optical Lenses, Spectacle Lenses, Ophthalmic Lens, Cr39 Lenses, Uncoated Lenses [Jun 08, 2026]
[Jun 08, 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.
5273. High Index 1.67 Mr-7 Blue Cut Semi Finished Hc Eyeglasses Blue Blocking Optical Lenses [Jun 08, 2026]
[Jun 08, 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.
5274. High Index 1.67 Mr-7 Blue Cut Semi Finished Hmc Eyeglasses Blue Blocking Optical Lenses [Jun 08, 2026]
[Jun 08, 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.
5275. Bifocal Resin 1.49 Index UC 70/28mm Blended Optical Lens [Jun 08, 2026]
[Jun 08, 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.
5276. Cr39 Blended Invisible Bifocal UC 70/28mm Optical Lens [Jun 07, 2026]
[Jun 07, 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.
5277. Spectacles Lens 1.56 Progressive Photo Grey Hmc EMI Blue Cut Optical Lenses 75mm [Jun 07, 2026]
[Jun 07, 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.
5278. Lentes Opticas Fotocromaticas Con Filtro De Luz Azul, Indices 1.56, 1.61, 1.67 Y 1.74, Con ... [Jun 04, 2026]
[Jun 04, 2026] 1.67 MR-7 PhotoMagic AR Coating Lens Products Description Index 1.67 UV Protect UV420 Abbe Value 31 Coating HMC/AR Function / Specific Gravity 1.36 Diameter 65mm/70mm/75mm Delivery Time 15-30 ...
Company: HUNAN XINGJI OPTICAL CO.,LTD.
5279. Custom Apertures Ultra-Broadband Spectrum Physical Vapor Deposition (PVD) Unbeatable ... [May 28, 2026]
[May 28, 2026] Product Description Product Overview Our UV Enhanced Aluminum Mirror is a premium optical component engineered for high-performance reflection across the UV to Near-Infrared spectrum. Utilizing pure aluminum with an ...
5280. Pure Aluminum High Parallelism High Laser Damage Threshold Mirror [May 28, 2026]
[May 28, 2026] Product Description Product Overview Our UV Enhanced Aluminum Mirror is a premium optical component engineered for high-performance reflection across the UV to Near-Infrared spectrum. Utilizing pure aluminum with an ...
