Round Top Bifocal Lens

For Far And Near Bifocal 1.56 Round-top AR Coating Semi Finished Lens Blanks In Multi Purpose Lens I. Technical Data: 1.56 Semi Finished Round Top Bifocal Lens Blanks Material: 1.56 Index NK55 Resin (Ne=1.549, Abbe=38, Specific Gravity=1.28) Segment Placement: 5mm down -5mm in Add Power: +1.00 to +3.50 in 0.25D steps Segment Size: 28mm Diameter(mm) Nominal Curve Front Radius T.C Back Radius BACK T.C CT/ET Frong sag Ring 50mm RX Range Recommended ɸ70 200B 260.199 2.04 94.93 5

SF CR39 1.499 Uncoated Round Top Semi Finished Lens Blanks In Bifocal Lens Optical Lenses I. Technical Data: 1.499 S/F ROUND TOP BIFOCAL BLANKS MARTERIAL REFRACTIVE INDEX=1.499 TOOLING INDEX=1.530 Diameter(mm) Nominal Curve Front Radius T.C Back Radius BACK T.C CT/ET Frong sag Ring 50mm RX Range Recommended ɸ70 200B 260.199 2.04 94.93 5.58 10.0/14.0 1.20 -4.25Dto-8.00D ɸ70 400B 127.62 4.15 94.93 5.58 6.0/8.0 2.47 +2.00Dto-4.00 ɸ70 600B 87.18 6.08 161.04 3.29 9.0/6.0 3.66 0

1.56 NK55 Round Top Bifocal Lens In Finished Optical Lenses Without Coating I. Specifications Production Monomer 1.56 round top bifocal lens NK-55, imported from Japan Diameter Abbe Value 70mm 42 Specific Gravity Transmission 1.13 >90% Round top segment Guarantee years 28 3~5 years Coating Lens Color without coating clear Brand Power range Aogang SPH: 000~+300,000~-300, ADD:+100~+350 II. Round Top Bifocal Lenses: Multifocal eyeglass lenses contain two or more lens powers to

Clear CR39 1.499 Round-Top Uncoated Prescription Eyeglass Lenses For Optical Usage I. Specifications: Production 1.499 RT-28 UC LENS Monomer CR39 Diameter 70mm Abbe Value 57 Specific Gravity 1.32 Transmission >97% Round top segment 28 Guarantee years 3~5 years Power range SPH: 0.00~+3.00, 0.00~-3.00,ADD: +1.00~+3.50 II. Round Top Bifocal Lens: What Are Bifocal Lenses? Bifocals are two prescriptions combined into a single lens. Bifocals were originated by Benjamin Franklin in

Japan Monomer 1.56 Round-Top Bifocal Prescription Without Coating In Eyeglass Lenses I. Specifications: Production 1.56 Round top bifocal lens Monomer NK55, imported from Japan Abbe value 58 Specific Gravity 1.32 Diameter 70mm Round top segment 28mm Transmission 97% Power range SPH: 0.00~+-3.00 ADD: +1.00~+3.50 II. Round-top Bifocal lens: When people inch closer to forty, they may find that their eyes are not adjusting to distances as they used to, the lens of the eyes begin

For Far And Near Vision Without Coating 1.56 UC Round Top Bifocal Lens Optical Lenses Uncoated I. Specifications Production Monomer 1.56 RT-28 UC NK-55 Diameter Abbe value 70MM 41 Specific Gravity Transmission 1.16 >97% Round top segment Guarantee years 28 5 years Coating Lens Color UC Clear Brand Power range Aogang SPH: 000~+300,000~-300,CYL:+100~+350 II. Features ● The advantanges of the 1.56 index. ----Hardness: One of the best quality in hardness and toughness, high

Without Coating Clear Vison 1.499 Round-Top UC Prescription Eyeglass Lenses For Reading Glass I. Specifications Production 1.499 RT-28 UC Monomer CR39 Diameter 70MM Abbe value 57 Specific Gravity 1.32 Transmission >97% Round top segment 28 Guarantee years 5 years Power range SPH: 000~+300,000~-300,CYL:+100~+350 Payment 30% advence by T/T, the balance before shipment II. Features ● The advantages of the 1.499 index. 1). The highest impact resistance among other index lenses 2)

1.56 Round-top AR Coating Semi Finished Lens Blanks In Multi Purpose Lens I. Technical Data: 1.56 Semi Finished Round Top Bifocal Lens Blanks Material: 1.56 Index NK55 Resin (Ne=1.549, Abbe=38, Specific Gravity=1.28) Segment Placement: 5mm down -5mm in Add Power: +1.00 to +3.50 in 0.25D steps Segment Size: 28mm Diameter(mm) Nominal Curve Front Radius T.C Back Radius BACK T.C CT/ET Frong sag Ring 50mm RX Range Recommended ɸ70 200B 260.199 2.04 94.93 5.58 10.0/14.0 1.20 -4

CR39 1.499 Uncoated Round Top Semi Finished Lens Blanks In Bifocal Lens I. Technical Data: 1.499 S/F ROUND TOP BIFOCAL BLANKS MARTERIAL REFRACTIVE INDEX=1.499 TOOLING INDEX=1.530 Diameter(mm) Nominal Curve Front Radius T.C Back Radius BACK T.C CT/ET Frong sag Ring 50mm RX Range Recommended ɸ70 200B 260.199 2.04 94.93 5.58 10.0/14.0 1.20 -4.25Dto-8.00D ɸ70 400B 127.62 4.15 94.93 5.58 6.0/8.0 2.47 +2.00Dto-4.00 ɸ70 600B 87.18 6.08 161.04 3.29 9.0/6.0 3.66 0.00Dto+4.00D ɸ70 800B

Green Coating 1.56 Round-Top HMC Prescription Eyeglass Lenses For Far and Near Vision I. Specifications: Production 1.56 RT-28 HMC Monomer NK55 Diameter 70MM Abbe value 39 Specific Gravity 1.20 Transmission >97% Round top segment 28 Guarantee years 5 years Power range SPH: 000~+300,000~-300,CYL:+100~+350 II. Features: 1) Our bifocals are made from the highest quality materials, in Uncoated, Hard-Coated and Hard-Multi-Coated varieties. We understand that people have different

Finished 1.56 Round-Top UC Prescription Eyeglass Lenses Used By Frame With Uncoating I. Specifications: Production Monomer 1.56 RT-28 UC NK-55 Diameter Abbe value 70MM 41 Specific Gravity Transmission 1.16 >97% Round top segment Guarantee years 28 5 years Coating Lens Color HMC Clear Brand Power range Aogang SPH: 000~+300,000~-300,CYL:+100~+350 II. Features: 1) 1.56 series product ------Raw Material: 1.56 index lenses are made by the NK55 which imported from Japan, one of the

Hard Multi Coated 1.499 Round-Top Prescription Eyeglass Lenses 28 Segment I. Specifications: Production Monomer Diameter 1.499 RT-28 HMC CR39 70MM Abbe value Specific Gravity Transmission 58 1.31 >97% Round top segment Guarantee years Power range 28 5.5 years SPH: 000~+300,000~-300,CYL:+100~+350 Brand Coating Delivery Company Aogang HMC Fedex/DHL/TNT/UPS II. Features: ● This is a very convenient type of lens that allows the wearer to focus on objects both at close range and

Clear 1.499 Round-Top UC Prescription Eyeglass Lenses For Frame Withour Any Coating I. Specifications: Production 1.499 RT-28 UC Monomer CR39 Diameter 70MM Abbe value 57 Specific Gravity 1.32 Transmission >97% Round top segment 28 Guarantee years 5 years Power range SPH: 000~+300,000~-300,CYL:+100~+350 II. Features: ------1.499 CR39 1). One of the best among other index lenses in hardness and toughness, high impact resistance. 2). One of the most easily tinted lenses. 3). One

Clear Vision 1.499 CR-39 No Coating Round Top Bifocal Lens For Reading Glasses I. Specifications: Index Monomer Diameter 1.499 PPG 70mm Abbe Value Specific Gravity Round Top Segment 56 1.34 28mm Guarantee Power Range 3~5 year SPH: 0.00~+-3.00 ADD: +1.00~+3.50 II. Round Top Bifocals: You focus through different prescriptions at different distances through the same lens - hence the name. Bifocals (meaning a lens with two points of focus - usually one for distance and one for