If you need glasses box, please select “Glasses With Box”
The intelligent color-changing feature provides good light-transmittance and clear vision.
Photochromic principle:
under ultraviolet light or the sun, the radiation will cause a chemical reaction that changes the lenses uniformly.
(Can’t change color under normal light)
under ultraviolet light or the sun, the radiation will cause a chemical reaction that changes the lenses uniformly.
(Can’t change color under normal light)
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