BS IS0 19979:2018 BSl Standards Publication Ophthalmic optics — Contact lenses — Hygienic management of multipatient use trial contact lenses bsi. BSISO19979:2018 BRITISH STANDARD Nationalforeword This British Standard is the UK implementation ofIS019979:2018.It supersedes PD IS0/TS 19979:2014, which is withdrawn. The UK participation in its preparation was entrusted to Technical CommitteeCH/172/9,Contactlensesandcontactlenscareproducts. Alist of organizations represented onthis committeecanbe obtained on requestto its secretary. This publication does not purport to include all the necessary provisions of a contract. Users areresponsible for its correct application. @TheBritishStandardsInstitution2018 Published byBSI Standards Limited2018 ISBN9780580908842 ICS11.040.70 Compliance with a British Standard cannot confer immunityfrom legalobligations. This British Standard was published under the authority of the Amendments/corrigendaissued sincepublication Date Text affected BS ISO 19979:2018 ISO INTERNATIONAL STANDARD 19979 First edition 2018-03-15 Ophthalmic optics Contact lenses - Hygienic management of multipatient use trial contact lenses Optiqueophtalmique-Lentillesdecontact-EntretiendeI'hygiene deslentillesdecontactd'essaiausagemultipatient Reference number ISO 19979:2018(E) ISO @ IS0 2018