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Overview EN ISO 9801:2009 - Ophthalmic instruments - Trial case lenses (ISO 9801:2009) specifies requirements and test methods for mounted ophthalmic trial case lenses used to determine the refractiv…
1 Scope 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 Interna…
Overview ISO 9801:2009 - "Ophthalmic instruments - Trial case lenses" specifies requirements and test methods for mounted ophthalmic trial case lenses (full- and reduced-aperture) used in the determi…