Titanium Alloy Sungles nsition Pochromic Reading Gles for Men

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 so and other s in the acrylic resin lens, so that the original colorle and nsparent lenses, in bright light, will become colored lenses, to do the protection, so is suitable for indoor and outdoor . Photochromic lens optical gla containing sier halide microcrystals, phototropy reversible reaction according to the prince, in the sunlight and UV ir variable dark, completely absorb ulviolet and visible light absorption of neul; back to the dark, can restore the colorle nsparent. Photochromic lenses are mainly d in open-air fields, snow fields and indoor light sources, so as to prevent sunlight and ulviolet light from dam the eyes.

Warm tips

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.

About shipping
Shipping and Pack 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, aess 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 Neul 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 nsaction.