Jiangsu Profile
Product List
376. 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.
377. 1.61 Single Vision Hmc UV420 Blue-Block 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 ...
Company: Danyang Boris Optical Co., Ltd.
378. 55mm Hmc 1.56 Single Vision 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.
379. M-Index 1.56 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.
380. 1.56 Single Vision Hmc UV400 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.
381. 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.
382. 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.
383. M-Index 1.56 Single Vision Hmc UV400 Blue Cut Optical Lens Green Coating [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.
384. 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.
385. 1.56 Single Vision Blue Cut Optical Lens Green Coating Good Quality [Sep 10, 2025]
[Sep 10, 2025] Anti-blue light coating: can effectively block harmful blue-ray radiation and protect eyesight. High transmittance: high transmittance of visible light, so that the wearer can see clearly without affecting the color ...
Company: Danyang Boris Optical Co., Ltd.
386. M-Index 1.56 Single Vision Hmc UV400 Optical Lens Green Coating Optical Glass [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.
387. 1.56 Blue Cut Hmc UV400 Optical Lens Blue Coating Spectacle Lens [Sep 10, 2025]
[Sep 10, 2025] The features of anti-blue light lenses are: Block 99.9% of high energy blue-violet light, reduce digital eye strain and fatigue. Enhance contrast and reduce glare while maintaining natural color balance. Provide UV ...
Company: Danyang Boris Optical Co., Ltd.
388. 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.
389. 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.
390. 1.56 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.
