ISO 9801:2009 Preview
Ophthalmic instruments -- Trial case lenses
This standard was last reviewed and confirmed in 2014. Therefore this version remains current.
ISO 9801:2009 specifies requirements for mounted ophthalmic full and/or reduced aperture trial case lenses for the determination of the refractive error of the eye.
ISO 9801:2009 takes priority over ISO 15004-1, if differences exist.
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