SS-EN-ISO-9801 › Ophthalmic instruments - Trial case lenses (ISO 9801:2009)
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This International Standard specifies requirements for mounted ophthalmic full and/or reduced aperture trial case lenses for the determination of the refractive error of the eye. This International Standard takes priority over ISO 15004-1, if differences exist.
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SS-EN ISO 9801:2009
Dec. 28, 2009
EN ISO 9801:2009(IDT); ISO 9801:2009(IDT)