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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
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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

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Standard number:BS 3668:1963
Pages:8
Released:1963-10-09
ISBN:0 580 34359 6
Status:Standard
DESCRIPTION

BS 3668:1963


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.