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NA 027

DIN Standards Committee Optics and Precision Mechanics

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Draft standard

DIN EN ISO 7921
Ophthalmic optics and instruments - Near vision charts (ISO/DIS 7921:2023); German and English version prEN ISO 7921:2023

Title (German)

Augenoptik und ophthalmische Instrumente - Nahsehschärfetafeln (ISO/DIS 7921:2023); Deutsche und Englische Fassung prEN ISO 7921:2023

Responsible national committee

NA 027-01-08-10 AK - Visual acuity and test methods  

Responsible european committee

CEN/TC 170 - Ophthalmic optics  

Responsible international committee

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

Edition 2023-04
Original language German , English
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Table of contents

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