Jiangsu Profile
Famous Export Brand
Product List
38311. 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.
38312. 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.
38313. 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.
38314. 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.
38315. 1.56 Middle Index Photochromic Brown Hmc Optical Lens Sunglass Lens [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.
38316. 1.56 Single Vision Blue Cut Optical Lens Blue Coating High Quality Lens [Sep 10, 2025]
[Sep 10, 2025] The blue light blocking lenses have excellent optical clarity, improved visual and enhanced color perception. They provide protection from harmful blue light and prevent eye fatigue, dryness and irritation. The ...
Company: Danyang Boris Optical Co., Ltd.
38317. 1.61 Single Vision Hmc UV400 Blue Cut Optical Lens Blue Coating [Sep 10, 2025]
[Sep 10, 2025] The resin lens has a higher defraction rate, which can effectively improve the optical performance of the lens.The resin lens has a high refractive index, which can reduce the thickness of the lens and make it more ...
Company: Danyang Boris Optical Co., Ltd.
38318. M-Index 1.56 Single Vision Hmc 70/65mm Optical Lenses Eyewear 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.
38319. High Quality Moderate Price Optical Lens Cr39 1.61 UV400 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.
38320. 1.56 Single Vision Hmc UV400 Optical Lens Blue Coating Spectacle 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.
38321. 1.56 Single Vision Hmc UV400 Optical Lens Blue Coating Finished 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.
38322. 1.56 Photochromic Grey Flat-Top Hc FT28 Lens Optical Glass [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.
38323. 1.56 Blue Light Cut Eyeglasses Optical Lens UV420 Hmc Blue Blocking 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.
38324. 1.56 Hmc Lenses UV400 EMI Coating with Shmc Super Hydrophobic 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 ...
Company: Danyang Boris Optical Co., Ltd.
38325. Cr39 1.499 Flat Top Bifocal Hmc 70/28mm Eyeglasses 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.
