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ILNAS-EN ISO 7921:2024 Edition 02/2024
Ophthalmic optics and instruments - Near reading charts (ISO 7921:2024)
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  • 19.2 / copy
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Abstract

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. The definitions and requirements of this document apply to the Latin alphabet.

Status

Standard - Active

Origin

Technical Committee :
CEN/TC 170 : Ophthalmic optics

Implementation

start of the vote on the project    13/04/2023   date of ratification (dor)    09/02/2024
end of the vote on the project    04/07/2023   date of anouncement (doa)    31/05/2024
start of the vote on the final project    16/11/2023   date of publication (dop)    31/08/2024
end of the vote on the final project    08/01/2024   date of withdrawal (dow)    31/08/2024


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Relations to international standards
ISO/CD 7921 
ISO 7921 
ISO 7921:2024 

International Classification for Standards (ICS codes) :

11.040.70 : Ophthalmic equipment

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