BSI BS EN ISO 7921:2024

Current Revision
Ophthalmic optics and instruments. Near reading charts

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BSI BS EN ISO 7921:2024

Ophthalmic optics and instruments. Near reading charts

PUBLISH DATE 2024
PAGES 18
BSI BS EN ISO 7921:2024

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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