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ISO 8596:1994
M00001004
New product
ISO 8596:1994 Ophthalmic optics -- Visual acuity testing -- Standard optotype and its presentation
standard by International Organization for Standardization, 02/01/1994
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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.