NA 027

DIN Standards Committee Optics and Precision Mechanics

Standards [CURRENT]

DIN EN ISO 9801
Ophthalmic instruments - Trial case lenses (ISO 9801:2009); German version EN ISO 9801:2009

Title (German)

Ophthalmische Instrumente - Refraktionsgläser (ISO 9801:2009); Deutsche Fassung EN ISO 9801:2009

Overview

The standard specifies requirements for mounted ophthalmic full or reduced aperture trial case lenses which are used in combination with trial frames to determine the refractive error of the eye. The standard primarily addresses the manufacturers of such trial case lenses and of the corresponding trial frames. The standard DIN EN ISO 9801 has been prepared by Working Committee NA 027-01-08 AA "Augenoptik" ("Ophthalmic optics"), Working Group "Ophtalmische Instrumente" ("Ophthalmic instruments"), of the Optics and Precision Mechanics Standards Committee (NAFuO). With respect to DIN EN ISO 9801:1999-07 the (partially dated) normative references and the bibliography have been updated. Furthermore a second, smaller outer diameter (28 mm) has been included for mounted lenses. Moreover, merely editorial changes and corrigenda, respectively, have been made.

Document: references other documents

Document: referenced in other documents

Responsible national committee

NA 027-01-08-06 AK - Ophthalmic instruments  

Responsible european committee

CEN/TC 170 - Ophthalmic optics  

Responsible international committee

ISO/TC 172/SC 7/WG 6 - Ophthalmic instruments and test methods  

Edition 2010-04
Original language German
Translation English
Price from 77.90 €
Table of contents

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