Jiangsu Profile
Product List
4426. Cr39 1.499 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.
4427. 1.56 Bifocal Round Top Blue Block Photochromic Grey Pgx Optical Lenses [Sep 10, 2025]
[Sep 10, 2025] 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.
4428. 1.56 Bifocal Round Top Blue Block Photo Grey Optical Lenses 70/28mm [Sep 10, 2025]
[Sep 10, 2025] 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.
4429. 1.56 Bifocal Round Top Blue Cut Photochromic Grey Pgx Hmc Optical Lenses 70/28mm [Sep 10, 2025]
[Sep 10, 2025] 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.
4430. 1.56 Bifocal Round Top Blue Block Photochromic Grey Pgx Hmc Optical Lenses [Sep 10, 2025]
[Sep 10, 2025] 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.
4431. Boris 1.56 Bifocal Round Top Blue Cut Photogrey Optical Lenses 70/28mm [Sep 10, 2025]
[Sep 10, 2025] 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.
4432. 1.56 Bifocal Round Top Blue Block Photo Grey Pgx Optical Lenses 70/28mm [Sep 10, 2025]
[Sep 10, 2025] 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.
4433. 1.56 Bifocal Round Top Blue Cut Photochromic Grey Optical Lenses 70/28mm [Sep 10, 2025]
[Sep 10, 2025] 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.
4434. 3-Methacryloxypropyl Triethoxysilane Silane Coupling Agent [Oct 28, 2024]
[Oct 28, 2024] Full name: 3-(Diethoxymethylsilyl)propyl methacrylate Abbreviation: TESPMA CAS No.: 21142-29-0 Formula: C13H26O5Si Purity: 96.0% Species: Containing Fluorine or silicon Methacrylates Product ...
Company: Nanjing Capatue Chemical Co., Ltd.
4435. 45 Degrees Flat Pull Binocular Head Biological Microscope [Jan 22, 2024]
[Jan 22, 2024] Product Description Specification item value Place of Origin China Jiangsu Brand Name Longcare Model Number YH-207B Power Source Manual Warranty 1 Year After-sale Service Online technical ...
4436. 1.90 Index Glass 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.
4437. Cr39 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.
4438. Cr39 D Top Flat Top 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.
4439. Cr39/1.56/PC/1.60/1.67/1.74 Freeform Rx Progressive 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.
4440. Cr39 1.499 D Top Flat Top 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.
