Jiangsu Aogang Optical Glasses Co., Ltd.

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Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision

Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision

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Brand Name :Aogang Optics
Model Number :Transitions Photochromic Lenses
Certification :CE/FDA/ISO9001
Place of Origin :China
MOQ :500 pairs
Price :negotiation
Payment Terms :T/T, Western Union, L/C, D/A, D/P, MoneyGram,Paypal
Supply Ability :40,000 pieces per day
Delivery Time :10~30 days, depend on your quantity
Packaging Details :1) Standard white envelope 2) color envelop with customer's design
Refractive index :1.56
Diameter :70mm
Abbe value :38
Specific Gravity :1.21
Transmission :98%
Coating :UC
Photochromic :Grey/Brown
Power range :SPH:000~+300,000~-300,CYL:+100~+350
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Withour Coated 1.56 Flat-top Uncoated Photochromic Prescription Eyeglass Lenses For Far And Near Vision

I. Specifications:

Transmission Diameter Refractive index Abbe value Specific Gravity
98% 70mm 1.56 38 1.21
Coating Photochromic Power range Place of origin Brand
UC Grey/Brown SPH:000~+300,000~-300,CYL:+100~+350 China Aogang


II. Features

1) What is the 1.56 Photochromic Flat-top lens.

Photochromic:

Photochromic lenses are eyeglass lenses that are clear (or nearly clear) indoors and darken automatically when exposed to sunlight. Other terms sometimes used for photochromic lenses include "light-adaptive lenses" and "variable tint lenses."

Flat-top:

Flat-top lenses were used to correct two different eye prescriptions. Bifocals were easy to spot - they had a line dividing the lens in two, with the upper half for distance vision, and the lower half for reading.

Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision

2) How the photochromic work?

Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision

The molecules responsible for causing photochromic lenses to darken are activated by the sun's ultraviolet radiation. Because UV rays penetrate clouds, photochromic lenses will darken on overcast days as well as sunny days.

Photochromic lenses typically will not darken inside a vehicle because the windshield glass blocks most UV rays. Recent advancements in technology allow some photochromic lenses to activate with both UV and visible light, providing some darkening behind the windshield.

Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision

3) Why choose the Flat-top?

Bifocals have two different lens powers that aid in seeing objects at various distances once the aging process reduces your ability to do so. These are usually prescribed to adults older than 40 years, although some children and younger adults may also need them for focusing problems, which strain the eyes while reading.

III. Power range

Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision

IV. Production process.

Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision

Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision

Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision

V. Packing&Shipping

Envelops 1) standard white envelop

2) color envelop with customer design
weight: 157g size: 9*9*9cm

Outer box standard export paper carton 38cm*48cm*35cm ( 0.064 CBMS )
Include around 500 pairs of finished lenses, 21kgs
Include around 100 pairs of semi finished lenses, 15kgs


Shipping Samples By Fedex, DHL, UPS, TNT etc.
Delivery time: within 3 days
Batch goods By air, sea, express
Delivery time: 10-30 days, depend on your quantity
Carrier We can choose for you or offer us your cooperative company
Payment terms

30% T/T in advance, the balance before shippment


VI. Why choose us:

1. We are equipped with world advanced machines and facilities; cooperating with some international branded monomer company ; using European quality and management system. All of these guarantee the stable good lens quality.

2. 20 years’ experience in manufacturing and export of optical lenses, which makes us own more than 300 customers spread over 60 countries.

3. Lens items are quite complete including SV, BIFOCAL, PROGRESSIVE, PHOTOCHROMIC, BLUECUT, SUNLENS, POLARISED LENS, FINISHED & SF etc. You can get full range of optical lens from Aogang.

4. Expert new products research department makes us differ from others and new products can be suggested to our customers in due time.

5. Every year, we will exhibit at some optical exhibitions. You can find suitable time and place to talk with us face to face.

China Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision for sale

Uncoated Photochromic Adaptive Lenses Flat Top 1.56 Index Far / Near Vision

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