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    I.S. EN ISO 8597:1996

    OPTICS AND OPTICAL INSTRUMENTS - VISUAL ACUITY TESTING - METHOD OF CORRELATING OPTOTYPES

    National Standards Authority of Ireland

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    I.S. EN ISO 8599:1997

    OPTICS AND OPTICAL INSTRUMENTS - CONTACT LENSES - DETERMINATION OF THE SPECTRAL AND LUMINOUS TRANSMITTANCE

    National Standards Authority of Ireland

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    I.S. EN ISO 11380:1997

    OPTICS AND OPTICAL INSTRUMENTS - OPHTHALMIC OPTICS - FORMERS

    National Standards Authority of Ireland

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    I.S. EN ISO 9456:1997

    OPTICS AND OPTICAL INSTRUMENTS - OPHTHALMIC OPTICS - MARKING OF SPECTACLE FRAMES

    National Standards Authority of Ireland

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    I.S. EN ISO 8429:1997

    OPTICS AND OPTICAL INSTRUMENTS - OPHTHALMOLOGY - GRADUATED DIAL SCALE

    National Standards Authority of Ireland

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    I.S. EN ISO 10338:1998

    OPTICS AND OPTICAL INSTRUMENTS - CONTACT LENSES - DETERMINATION OF CURVATURE

    National Standards Authority of Ireland

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    I.S. EN ISO 15004:1998

    OPHTHALMIC INSTRUMENTS - FUNDAMENTAL REQUIREMENTS AND TEST METHODS

    National Standards Authority of Ireland

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    I.S. EN ISO 12864:1998

    OPHTHALMIC OPTICS - CONTACT LENSES - DETERMINATION OF SCATTERED LIGHT

    National Standards Authority of Ireland

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    I.S. EN ISO 9913-1:1998

    OPTICS AND OPTICAL INSTRUMENTS - CONTACT LENSES - PART 1: DETERMINATION OF OXYGEN PERMEABILITY AND TRANSMISSIBILITY BY THE FATT METHOD

    National Standards Authority of Ireland

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    I.S. EN ISO 11985:1998

    OPHTHALMIC OPTICS - CONTACT LENSES - AGEING BY EXPOSURE TO UV AND VISIBLE RADIATION (IN VITRO METHOD)

    National Standards Authority of Ireland

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