High quality certified NANO FACE MASK - in stock ! Limited availibility here!

PRICES include / exclude VAT
Homepage>BS Standards>11 HEALTH CARE TECHNOLOGY>11.040 Medical equipment>11.040.70 Ophthalmic equipment>BS 3668:1963 Specification for red and green filters used in ophthalmic dichromatic and dissociation tests
Sponsored link
immediate downloadReleased: 1963-10-09
BS 3668:1963 Specification for red and green filters used in ophthalmic dichromatic and dissociation tests

BS 3668:1963

Specification for red and green filters used in ophthalmic dichromatic and dissociation tests

CURRENCY
LANGUAGE
English
Standard number:BS 3668:1963
Pages:8
Released:1963-10-09
ISBN:0 580 34359 6
Status:Standard
DESCRIPTION
This standard BS 3668:1963 Specification for red and green filters used in ophthalmic dichromatic and dissociation tests is classified in these ICS categories:
  • 11.040.70 Ophthalmic equipment

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.
This product includes: