GB/T 27995.1-2025
ActiveSemi-finished spectacle lens blanks—Part 1: Single-vision and multifocal
半成品镜片毛坯 第1部分：单焦和多焦
Application Summary AI generated
This standard specifies the technical requirements, dimensions, and optical quality for semi-finished spectacle lens blanks used to produce single-vision and multifocal lenses. It is applied in the manufacturing and quality control of ophthalmic lenses, ensuring that raw lens blanks meet consistent specifications before being surfaced and finished into prescription eyewear. The standard is relevant for optical laboratories, lens manufacturers, and quality inspection in the healthcare and eyewear industries.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.