Ophthalmic optics. Contact lens care products. Antimicrobial preservative efficacy testing and guidance on determining discard date Ingestion-build-103253 BS 5938-2 provides users with

BS 5938-2 provides users with general rules for drafting of performance specifications

Pipes of requirement class A

those used in fluid power systems and hygienic valves used in the food and pharmaceutical industries

a taper pin or a second hexagon socket set screw

Ophthalmic optics. Contact lens care products. Antimicrobial preservative efficacy testing and guidance on determining discard date Ingestion-build-103253 BS 5938-2 provides users with1 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