BS EN ISO 7921:2024 PDF

Ophthalmic optics and instruments. Near reading charts

Название (английский):

BS EN ISO 7921:2024

Ophthalmic optics and instruments. Near reading charts

Статус документа:: Действующий
Формат:: Электронный (PDF)
Дата публикации:: 29 февраля 2024 г.
ICS:: 11.040.70
Технический комитет:: CEN
SKU:: BS EN ISO 7921:2024

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Abstract

1 Scope 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.

BS EN ISO 7921:2024 PDF

Abstract

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