Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Chart print quality<br>5 Health and safety<br>6 Personnel administering the test<br>7 Test charts<br>8 Test procedure<br>9 Acceptance level<br>Annex A (normative) - Format and size of the optotypes<br>Annex B (normative) - Spacing of the optotypes<br>Annex C (informative) - Example test chart (Not to scale)

Abstract

Defines the form of the optotype, the quality requirements for the chart, the test procedure, and the acceptance level for near vision acuity of NDT personnel.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	WEE/46