BS EN ISO 8596:2018+A1:2020
Current
The latest, up-to-date edition.
Ophthalmic optics. Visual acuity testing. Standard and clinical optotypes and their presentation
Hardcopy , PDF
English
04-02-2020
This document specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under photopic conditions for the purposes of certification or licensing.
| Committee |
CH/172/6
|
| DocumentType |
Standard
|
| ISBN |
9780539011562
|
| Pages |
20
|
| ProductNote |
Implementation of ISO amendment 1:2018 with CEN endorsement A1:2020
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This document specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under photopic conditions for the purposes of certification or licensing.
This document is neither intended as a standard for clinical measurements nor for the certification of blindness or partial sight.
Other optotypes used for clinical investigations are described in AnnexA for information.
| Standards | Relationship |
| ISO 8596:2017/Amd 1:2019 | Identical |
| EN ISO 8596:2018+A1:2020 | Equivalent |
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