Ophthalmic optics. Contact lens care products. Microbiological requirements and test methods for products and regimens for hygienic management of contact lenses Ingestion-build-181247 polyvinyl formal and polyvinyl butyral

polyvinyl formal and polyvinyl butyral

double-hat and similar closed hollow sections under torsion

Figure 1 depicts the scope described above

b) transportable equipment

Ophthalmic optics. Contact lens care products. Microbiological requirements and test methods for products and regimens for hygienic management of contact lenses Ingestion-build-181247 polyvinyl formal and polyvinyl butyral1 Scope This International Standard specifies two test methods for evaluating the antimicrobial activity of products to be marketed for contact lens disinfection by chemical means and for products that are part of a contact lens care regimen. This International Standard is not applicable to the hygienic management of trial lenses. NOTE General disinfection product standards are not applicable to contact lens care products, e. g. EN 1040: 1997 and EN