Jiangsu Profile
Product List
11461. 1.56 Bifocal Flat Top Photo Grey Safety Lens Hmc Optical Lens 
[Sep 10, 2025]
[Sep 10, 2025] FAQ 1. Could you provide samples? Of course, free samples can be sent to you, but please help us pay the freight fee. 2. What Certification do you have for your optical lens? FDA, CE, ISO9001 certification is ...
Company: Danyang Boris Optical Co., Ltd.
11462. 1.49 UC 65mm, Optical Lenses, Spectacle Lenses, Ophthalmic Lens, Cr39 Lenses, Uncoated Lenses [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.
11463. 1.49 UC 65mm, Optical Lenses, Spectacle Lenses, Ophthalmic Lens, Cr39 Lenses, Uncoated Lenses Hot ... [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.
11464. Cr39 D Top Flat Top Bifocal Hc 70/28mm 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.
11465. High Index 1.60 Mr-8 Aspheric Blue Block UV420 Anti Blue Light Blue Coating Hmc Manufacturing 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.
11466. 1.56 Single Vision Hmc UV400 Optical Lens Blue Coating Spectacle Lens 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.
11467. Cr39 Blended Invisible Bifocal Hmc 70/28mm 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.
11468. Cr39 Round Top Bifocal Hc 70/28mm 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.
11469. 1.56 Single Vision Blue Cut Optical Lens Blue Coating Spectacle Lens 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.
11470. Cr39 Blended Invisible Bifocal UC 70/28mm 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.
11471. Cr39 Invisible Bifocal UC 70/28mm 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.
11472. Cr39 1.499 Blended Invisible Bifocal Hc 70/28mm 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.
11473. 1.56 Single Vision Hmc UV400 Optical Lens Blue Coating Spectacle Lens Eyeglasses 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.
11474. Cr39 1.499 Blended Invisible Bifocal UC 70/28mm 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.
11475. Cr39 1.499 Invisible Bifocal Hc 70/28mm 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.
