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What are photochromic lenses?

Photochromic lenses are also referred to as light-sensitive lenses". Gla lenses are adding sier halide, but now is the mainstream of photochromic resin lenses, adding of spiro and other chemicals in the acrylic resin lens, so that the colorle and transparent lenses, in bright light, will become colored lenses, to do the protection, so is suitable for indoor and outdoor use.

Photochromic lens optical gla containing sier halide microcrystals, phototropy reversible reaction according to the princle, in the sunlight and UV irradiation variable dark, completely absorb ultraviolet and visible light absorption of neutral; back to the dark, can restore the colorle transparent.

Photochromic lenses are mainly used in open-air fields, snow fields and indoor light sources, so as to prevent sunlight and ultraviolet light from damaging the eyes.

Warm ts

1.Please correctly understand photochromic glaes, he color depth does not equal sunglaes

2.Test discoloration, it is recommended to test at noon, noon sun UV strong, discoloration can achieve the best results, more test several times, the effect is better.

3 .If you want to change the pupil distance or customized your prescrtion,you can choose custom prescrtion,then note your prescrtion by order meage

4 .This glaes is M yopia / Nearsighted/Short-sight/Myopia/Minus (-0.5 To -6.0). But not have Reading / Farsighted/ H yperopia/Magnifier/Presbyopic (+0.5 To +6.0) . so not buy mistake , if you need H yperopia Glaes,you can contact us . thanks .

Please confirm before buying:

"+" Mean: Farsighted/Hyperopia/Magnifier/Presbyopic / Reading Glaes

"-" Mean: Nearsighted/Short-sight/Myopia/Minus Glaes

Don't buying Wrong. it is very ant !!!

For Example :

If you need Hyperopia +1.5 , Please order +150 or Reading Plus150

If you need Short-sight -1.5, , Please Order Myopia -1.5

Function : Nearsighted Glaes

Standard Order:-1.0 to -6.0 , PD 62-64mm

Custom Prescrtion Information

Right sph:(-0.5~-6.0) astigmatism:(-0.5~-2.0) axis:(0~180)

Left sph:(-0.5~-6.0) astigmatism:(-0.5~-2.0) axis:(0~180)

Pupil Distance(40~80)

Example :

Right (OD): Sphere______ Cyl______ Axis______

Left (OS): Sphere______ Cyl______ Axis______

PD: ______mm

Custom Prescrtion Leave meage for two eyes degree Left and right 0/-0.50/-0.75/-1.0/-1.25/-1.5/-1.75/-2.0/-2.25/-2.5/-2.75/-3.0/-3.25/-3.5/-3.75/-4.0/-6.0

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.