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Homepage>BS EN ISO 7921:2024 Ophthalmic optics and instruments. Near reading charts

BS EN ISO 7921:2024

Ophthalmic optics and instruments. Near reading charts

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Označení normy:	BS EN ISO 7921:2024
Počet stran:	18
Vydáno:	2024-02-22
ISBN:	978 0 539 19449 4
Status:	Standard

DESCRIPTION

BS EN ISO 7921:2024

This standard BS EN ISO 7921:2024 Ophthalmic optics and instruments. Near reading charts is classified in these ICS categories:

11.040.70 Ophthalmic equipment

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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