
Specification for red and green filters used in ophthalmic dichromatic and dissociation tests.
NORMA vydaná dňa 9.10.1963
Označenie normy: BS 3668:1963
Dátum vydania normy: 9.10.1963
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Britská technická norma
Kategória: Technické normy 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