>ISO Standards>ISO 8596:2009-Ophthalmic optics-Visual acuity testing-Standard optotype and its presentation
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immediate downloadReleased: 2009
ISO 8596:2009
Ophthalmic optics
CURRENCY
Standard´s number:
ISO 8596:2009
Pages:
5
Edition:
2
Released:
2009
Language:
English
DESCRIPTION
ISO 8596:2009
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.