GB/T 9105-2023
ActiveUncut finished spectacle lenses—Photochromic lenses
眼镜镜片 光致变色镜片
Application Summary AI generated
GB/T 9105-2023 specifies technical requirements, test methods, and classification criteria for photochromic lenses used in uncut finished spectacle lenses. It applies to the manufacturing and quality inspection of lenses that darken when exposed to ultraviolet light and return to a clear state indoors, ensuring performance standards for optical clarity, fade rate, and durability. This standard is primarily used by eyewear manufacturers, optical laboratories, and regulatory bodies in China to certify photochromic lenses for prescription and non-prescription eyeglasses.
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