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Spectacle lens material
This British Standard specifies requirements for three categories of white or tinted materials used for the manufacture of ophthalmic spectacle lenses.
This standard does not specify requirements for contact lens materials.
NOTE. The titles of the publications referred to in this standard are listed on the inside back cover.
Three categories of white or tinted materials, namely, ophthalmic glass, hard resin and thermoplastics, used for the manufacture of ophthalmic spectacle lenses.
Does not cover contact lens materials.
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