Ophthalmic optics and instruments - Near reading charts (ISO 7921:2024); German version EN ISO 7921:2024

Standard [CURRENT]

DIN EN ISO 7921:2024-07

Ophthalmic optics and instruments - Near reading charts (ISO 7921:2024); German version EN ISO 7921:2024

German title
Augenoptik und ophthalmische Instrumente - Nahlesesehschärfetafeln (ISO 7921:2024); Deutsche Fassung EN ISO 7921:2024
Publication date
2024-07
Original language
German
Pages
17

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Publication date
2024-07
Original language
German
Pages
17
DOI
https://dx.doi.org/10.31030/3530245

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Overview

This document applies to printed, projected, and electronic displays of high-contrast text that are designed for assessment and measurement of near reading acuity under photopic conditions (daylight conditions). The responsible national standardization committee is Working Group NA 027-01-08-10 AK "Sehschärfe und Testmethoden" ("Visual acuity and test methods") at DIN Standards Committee Optics and Precision Mechanics (NAFuO).

Content

ICS

11.040.70

DOI

https://dx.doi.org/10.31030/3530245

Cooperation at DIN

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