Photochromic Lens (Spin&Dip)
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Photochromic Lens (Spin&Dip)

Photochromic lenses are lenses that automatically darken according to the intensity of ultraviolet light and return to transparency indoors or in the dark. They achieve this function by adding photosensitive substances to the lens material and utilizing the reversible photochromic reaction. They can also function as myopia correction lenses and sunglasses, protecting the eyes from strong light and excessive ultraviolet damage. Currently, there are technologies such as substrate color change (base color change) and surface film color change (film color change).Advantages:
Convenience: One pair of glasses can meet both indoor and outdoor needs, eliminating the need for frequent replacements.

Eye Protection: Automatically adjusts light, reducing eye strain, while blocking UV rays.

About
Thinkey Optical Co.,Ltd.
Thinkey Optical Co.,Ltd.

Thinkey Optical Co., Ltd. is a joint venture with over 20 years of expertise in manufacturing a wide range of optical lenses. Our facility spans 40 acres, with a production area of 20,000 square meters. Located in Duqiao Town, Linhai City—a coastal area of Zhejiang Province,Thinkey Optical employs approximately 200 workers and operates 6 advanced machines imported from Korea, as well as Satisloh RX equipment from Germany. Our daily production capacity reaches 30,000 pairs of high-quality lenses.

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