NEN-EN-ISO 8597
Optics and optical intruments - Visual acuity testing - Method of correlating optotypes
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 April 1996 |
| Status: | active |
| Page Count: | 14 |
| ICS Code (Ophthalmic equipment): | 11.040.70 |
scope:
Lays down a method of correlation between a given set of optotypes and the standard optotype (Landolt ring) specifies by ISO 8596.
Document History
NEN-EN-ISO 8597
April 1, 1996
Optics and optical intruments - Visual acuity testing - Method of correlating optotypes
Lays down a method of correlation between a given set of optotypes and the standard optotype (Landolt ring) specifies by ISO 8596.