Ophthalmic optics. Contact lens care products. Antimicrobial preservative efficacy testing and guidance on determining discard date Ingestion-build-64721 BS EN 4186 ensures the

BS EN 4186 ensures the reliability of unions

as indicated above

and leakage current

that are designed for use with a variety of flexible and semi-rigid coaxial cables and rigid coaxial lines

4 PCE categories and processing functions

Ophthalmic optics. Contact lens care products. Antimicrobial preservative efficacy testing and guidance on determining discard date Ingestion-build-64721 BS EN 4186 ensures the1 Scope This International Standard specifies a procedure to be used in evaluating the antimicrobial preservative activity of all preserved multidose contact lens care products, and provides guidance on methods for determination of discard date as informative annexes. This test is applicable to products for up to a 28 day discard date. The test is not applicable to sterile products packaged in unit doses for single use or multidose containers designed