Visual acuity test types. Specification for Landolt ring optotype for non-clinical purposes.
STANDARD published on 15.8.1996
Designation standards: BS EN ISO 8596:1996
Note: WITHDRAWN
Publication date standards: 15.8.1996
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Category: Technical standards BS