International Standard
ISO 7921:2024
Ophthalmic optics and instruments — Near reading charts
Reference number
ISO 7921:2024
Edition 1
2024-02
© ISO 2025
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Published (Edition 1, 2024)

ISO 7921:2024

Language
Format
CHF 65
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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.

General information

  • Status
     : Published
    Publication date
     : 2024-02
    Stage
    : International Standard published [60.60]
  • Edition
     : 1
    Number of pages
     : 8
  • Technical Committee :
    ISO/TC 172/SC 7
    ICS :
    11.040.70 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

3
Good Health and Well-being

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