BS-EN-ISO-8596 Complete Document History
Ophthalmic optics. Visual acuity testing. Standard and clinical optotypes and their presentation

Complete Current Edition:
   2018/A1 EDITION - 2018 EDITION WITH AMENDMENT A1 INTERFILED - Feb. 4, 2020

Obsolete Revision Information:
   2018 EDITION - Ophthalmic optics. Visual acuity testing. Standard and clinical optotypes and their presentation - Feb. 16, 2018
   2009 EDITION - Ophthalmic optics. Visual acuity testing. Standard optotype and its presentation - July 31, 2009
   1996 EDITION - VISUAL ACUITY TEST TYPES. SPEC - Jan. 1, 1996