Ophthalmic optics - Chart displays for visual acuity measurement - Printed, projected and electronic
NORM herausgegeben am 1.5.2017
Bezeichnung normen: ČSN EN ISO 10938
Zeichen: 195006
Katalog-Nummer: 501826
Ausgabedatum normen: 1.5.2017
Zahl der Seiten: 20
Gewicht ca.: 60 g (0.13 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
This International Standard applies to displays of optotypes generated by chart projectors and all other visual acuity measurement systems that use recognition of high-contrast optotypes and that are designed for general use, including optotypes printed on media (either opaque or intended for transillumination), those generated electronically, and those produced by optical projection