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ISO 8596:2017
Ophthalmic optics — Visual acuity testing — Standard and clinical optotypes and their presentationMore info
ISO 8596:2017 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.
ISO 8596:2017 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 Annex A for information.
| Author | ISO/TC 172/SC 7 Ophthalmic optics and instruments |
|---|---|
| Editor | ISO |
| Document type | Standard |
| Format | Paper |
| Edition | 3 |
| ICS | 11.040.70 : Ophthalmic equipment |
| Number of pages | 10 |
| Replace | ISO 8596:2009 |
| Modified by | ISO 8596:2017/PRF Amd 1 |
| Weight(kg.) | 0.1170 |
| Year | 2017 |
| Country | Switzerland |