ISO 8596:2009
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ISO 8596:2009
52487

Abstract 

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.


General information 

  •  :  Withdrawn
     : 2009-07
  •  : 2
     : 5
  •  : ISO/TC 172/SC 7 Ophthalmic optics and instruments
  •  :
    11.040.70 Ophthalmic equipment

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