简介：·AIM:Toevaluateandcompareaspherictoricintraocularlens(IOL)implantationandasphericmonofocalIOLimplantationwithlimbalrelaxingincisions(LRI)tomanagelowcornealastigmatism(1.0-2.0D)incataractsurgery.·METHODS:Aprospectiverandomizedcomparativeclinicalstudywasperformed.Therewererandomlyrecruited102eyes(102patients)withcataractsassociatedwithcornealastigmatismanddividedintotwogroups.ThefirstgroupreceivedtoricIOLimplantationandthesecondonemonofocalIOLimplantationwithperipheralcornealrelaxingincisions.Outcomesconsideredwere:visualacuity,postoperativeresidualastigmatism,endothelialcellcount,theneedforspectacles,andpatientsatisfaction.Todeterminethepostoperativetoricaxis,allpatientswhounderwentthetoricIOLimplantationwerefurtherevaluatedusinganOPDScanIII(NidekCo,Japan).Follow-uplasted6mo.·RESULTS:Themeanuncorrecteddistancevisualacuity(UCVA)andthebestcorrectedvisualacuity(BCVA)demonstratedstatisticallysignificantimprovementaftersurgeryinbothgroups.Attheendofthefollow-uptheUCVAwasstatisticallybetterinthepatientswithtoricIOLimplantscomparedtothosepatientswhounderwentimplantationofmonofocalIOLplusLRI.Themeanresidualrefractiveastigmatismwasof0.4DforthetoricIOLgroupand1.1DfortheLRIgroup(P<0.01).Nodifferencewasobservedinthepostoperativeendothelialcellcountbetweenthetwogroups.·CONCLUSION:Thetwosurgicalproceduresdemonstratedasignificantdecreaseinrefractiveastigmatism.ToricIOLimplantationwasmoreeffectiveandpredictablecomparedtothelimbalrelaxingincision.

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