Specification for red and green filters used in ophthalmic dichromatic and dissociation tests Ingestion-build-50790 BS EN 12094-3 helps in

BS EN 12094-3 helps in the evaluation of conformity of product by using initial type testing and factory production control method that verifies if the performance declarations represent the true behaviour of the product

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BS ISO 4254-9 does not apply to:

BS 3988 was first published in 1966 under the authority of the Non-ferrous Metals Industry Standards Committee and at the request of the Aluminium Industry in view of the increasing use of aluminium for electrical conductors of many types

Recommendation for the maximum length of a dental explorer was reduced from 178 mm to 173 mm in 4

Specification for red and green filters used in ophthalmic dichromatic and dissociation tests Ingestion-build-50790 BS EN 12094-3 helps in1 Scope This British Standard 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.