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BSI 23/30444465 DC 2023

BSI 23/30444465 DC 2023

$13.70

BS EN ISO 7921. Ophthalmic optics and instruments. Near vision charts

Published By Publication Date Number of Pages
BSI 2023 17
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PDF Catalog

PDF Pages PDF Title
1 30444465-NC.pdf
3 ISO_DIS 7921 ed.1 – id.82973 Enquiry PDF (en).pdf
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Requirements
13 5 Test methods
5.1 Type tests
5.2 Conformity
6 Accompanying documents
14 7 Marking
15 Annex€A (informative) Clinical application of near reading acuity notations
16 Annex€B (normative) Use of typefaces other than Times New Roman and Helvetica
17 Bibliography

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BSI 23/30444465 DC 2023
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