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ISO 7921:2024

Ophthalmic optics and instruments — Near reading charts

General information

Valid from 09.02.2024
Directives or regulations
None

Standard history

Status
Date
Type
Name
09.02.2024
Main
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.

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Standard monitoring