BS 3668:1963
Current
The latest, up-to-date edition.
Specification for red and green filters used in ophthalmic dichromatic and dissociation tests
Hardcopy , PDF
English
09-10-1963
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Co-operating organizations
Foreword
1 Scope
2 Definitions
Section 1 - Filters for use in dichromatic tests
3 Weighted spectral transmission
4 Luminous transmission factor
Section 2 - Filters for use in dissociation tests
5 Spectral transmission
6 Luminous transmission factor
7 Quality of viewing goggles
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.
| Committee |
CH/172
|
| DevelopmentNote |
Reviewed and confirmed by BSI, October 2008. (09/2008)
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
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.
| Standards | Relationship |
| UNE-EN ISO 10855-1:2018 | Identical |
| BS 3521-1:1991 | Terms relating to ophthalmic lenses and spectacle frames Glossary of terms relating to ophthalmic lenses |
| EN ISO 8429:1996 | Optics and optical instruments - Ophthalmology - Graduated dial scale (ISO 8429:1986) |
| BS 3521-2:1991+A1:1996 | Terms relating to ophthalmic lenses and spectacle frames Glossary of terms relating to spectacle frames |
| BS EN ISO 8429:1997 | Optics and optical instruments. Ophthalmology. Graduated dial scale |
| ISO 8429:1986 | Optics and optical instruments Ophthalmology Graduated dial scale |
| BS 3062:1985 | Specification for ophthalmic lens materials |
| BS 3462:1962 | Specification for metal spectacle frames |
| BS 3186:1970 | Specification for cellulose acetate sheet for spectacle frames |
| BS 2738:1985 | Specification for tolerances on optical properties of mounted spectacle lenses |
| BS 3162:1959 | Specification for ophthalmic trial case lenses |
| BS 3352:1962 | Specification for spectacle frames made of cellulose acetate |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.