Superseded
Standard
Historical
NBN EN ISO 8596:2009
Ophthalmic optics - Visual acuity testing - Standard optotype and its presentation (ISO 8596:2009)
Preview
Summary
ISO 8596:2009 specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under daylight conditions for the purposes of certification or licensing.
It is neither intended as a standard for clinical measurements nor for the certification of blindness or partial sight.
It is neither intended as a standard for clinical measurements nor for the certification of blindness or partial sight.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 10/02/2009 |
| Cancellation Date | 01/31/2010 |
| Page Count | 17 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
28/02/2018
Active
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02/10/2009
Superseded
Historical