医学课件：角膜接触镜的护理系统.ppt

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1、CAREANDMAINTENANCESchoolofOptometry&Ophthalmology,TheWenzhouMedicalCollegeDEPOSITSCOMPLICATIONSIrritationandreducedcomfortReducedvisualacuityShortenedlenslifeIncreasedpotentialforinfectionIncreasedincidenceofGPCCareandMaintenancePURPOSECleanlensesGoodcomfortGoodvisionS

2、afelenswearProlongedlenslifeROLEOFCARE&MAINTENANCEPreventingandminimizingmicrobialcontaminationReducingdepositsAttaining&maintainingready-to-wear-stateCAREANDMAINTENANCECOMPONENTSDailycleanerRinsingsolutionDisinfectingsolution/unitWeekly/proteincleanerLubrication/rewet

3、tingsolutionLensstoragecaseCLEANERCOMPOSITIONSurfactants表面活化剂Buffers缓冲系统Osmolalityadjustingagent(s)渗透压缓冲剂Preservatives防腐剂Water水SURFACTANTCLAENERSTYPESDailycleanersWeeklycleanersDAILYCLEANERFUNCTIONToremove:Looselyboundforeignmattercelldebrismucus,lipid,proteincosmeti

4、corothersurfaceContaminationMajorityofmicro-organisms5ForeignparticleForeignparticleSurfactantmoleculesSurfactantmoleculesMutualrepulsionMutualrepulsionDAILYCLEANERGENERALPROCEDURES1、Washhands2、Placelensinthepalmofthehand3、Place2-3dropsofcleaneroneachlenssurface4、Rubwi

5、thforefingerforabout15secondspersideusinga‘to&fro’and‘L-R’actionRollingtheforefingerinbothdirectionscleansthelensperiphery5、RinsewellRINSINGSOLUTIONTYPESSalinePreservedUnpreservedMulti-purposesolutionANTIMICROBIALACTIVITYLEVELSOFEFFICACYSterilization:Killingofallmicro

6、biallifeforms-sterilizersDisinfection:Killingand/orremovalofvegetativemicrobialandviralcontaminationfrominanimateobjects–disinfectantsPreservation:Killingand/orinhibitionofgrowthofselectedmicro-organisms-preservatives.DISINFECTINGSOLUTIONFUNCTIONSKillordeactivatepotent

7、iallypathogenicorganismsincluding:BacteriaFungiVirusesAmoebasMaintainlenshydrationDISINFECTIONSYSTEMTYPESHeat(thermalunit,microwave)ChemicalOxidativeHydrogenperoxideChlorineColdchemicalsVariousdisinfectantsTHERMALDISINFECTIONOriginalformofdisinfectionHightemperatureski

8、llmicro-organismsby:denaturationofcellcomponentsdisruptionofplasmamembranesDNAdamageTHERMALDISINFECTIONMethodCleanand