Ophthalmic optics - Visual acuity testing - Standard and clinical optotypes and their presentation (ISO/DIS 8596:2016); German and English version prEN ISO 8596:2016
Ophthalmic instruments - Fundamental requirements and test methods - Part 1: General requirements applicable to all ophthalmic instruments (ISO 15004-1:2006)— 17 стр.
Ophthalmic optics - Chart displays for visual acuity measurement - Printed, projected and electronic (ISO/DIS 10938.2:2015); German and English version prEN ISO 10938:2015
