ISO 8596:2009

Ophthalmic optics — Visual acuity testing — Standard optotype and its presentation

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.

Edition	2009
Published Date	2009
Published By	International Standardization Organisation
Page Count	5