BS EN ISO 7921:2024

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Ophthalmic optics and instruments. Near reading charts

Published By	Publication Date	Number of Pages
BSI	2024	18

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Categories: 11.040.70 - Ophthalmic equipment, BSI

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Description

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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PDF Pages	PDF Title
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13	5.1 Type tests 5.2 Conformity

Additional information

Status	Definitive
Pages	18
Publication Date	2024-02-22
ISBN	978 0 539 19449 4
Standard Number	BS EN ISO 7921:2024
Title	Ophthalmic optics and instruments. Near reading charts
Identical National Standard Of	EN ISO 7921, ISO 7921
Descriptors	Ophthalmic charts, Ophthalmic equipment, Charts (ophthalmic), Optics, Charts
Publisher	BSI
Committee	CH/172/6
ICS Codes	11.040.70 - Ophthalmic equipment

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BS EN ISO 7921:2024

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