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Hlavní stránka>BS EN ISO 7921:2024 Ophthalmic optics and instruments. Near reading charts
sklademVydáno: 2024-02-22
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
Popis

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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