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sklademVydáno: 1963-10-09
BS 3668:1963
Specification for red and green filters used in ophthalmic dichromatic and dissociation tests
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| Označení normy: | BS 3668:1963 |
| Počet stran: | 8 |
| Vydáno: | 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
This British Standard specifies requirements for red and green filters of glass or plastics materials used in ophthalmic tests as follows:
dichromatic tests for ametropia, and
dissociating the eyes in various tests of binocular co-operation.
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.