High-concerned chemical : None
Element type : Basic Classic
Style type : Oval
Place Of Origin : China (mainland)
Frame Material : Stainless steel
Model Number : 1938-1
Gender : Unisex
Lenses Material : Polycarbonate
Origin : Mainland China
The photochromic eyeglasses undergoing a reversible change in color or shade when exposed to light of a particular frequency or intensity.that is , if you test it by hands only , it didn't work .
how to test it's photochromic?
first : you need a good weather.It means the sun has to reach a certain intensity .
second : let the photochromic eyeglasses exposed to the sun fully
last: please wait patiently
Don’t compromise your vision with cheap, low-quality eyewear. Poorly crafted lenses often suffer from optical distortion, weak impact resistance, and lack of reliable UV protection, putting unnecessary strain on your eyes and risking long-term damage. Flimsy frames break easily, fit uncomfortably, and fail to hold proper alignment, leading to persistent headaches and fatigue. Investing in professionally made, high-quality glasses means clearer sight, durable construction, effective eye protection, and lasting comfort. Choose wisely—your eyes deserve reliable, premium care, not short-lived, substandard substitutes.
Please Confirm Before Purchase , Don'T Buy Mistakes!!
"+" Means: Magnifying Glasses/Hyperopia/Prebyopia/Farsightedness , Most Use For 40-80 Years Old
"-" Means: Myopia/Short-Short/Vision Miuns , Most Use For 0-40 Years Old
"0" Means: The glasses have no prescription and are mostly used for decoration
For Example :
If You Need Presbyopia +2.5 , Please Purchase +250
If You Need Myopia -1.75 , Please Buy -175