
Specification for red and green filters used in ophthalmic dichromatic and dissociation tests.
STANDARD published on 9.10.1963
Designation standards: BS 3668:1963
Publication date standards: 9.10.1963
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Category: Technical standards BS
Specifies requirements for red and green filters of glass or plastics materials used in ophthalmic tests as follows: (a) dichromatic tests for ametropia, and (b) dissociating the eyes in various tests of binocular co-operation. Status: Confirmed