简介：AIM:Toreporttheeffectivenessandsafetyofprimary23-Gauge(G)vitreoretinalsurgeryforrhegmatogenousretinaldetachment(RRD).·METHODS:Inthisretrospectivestudy,49eyesof49consecutivepatientswhounderwentprimary23-Gtransconjunctivalsuturelessvitrectomy(TSV)forRRDbetweenJanuary2007andJuly2009atourinstitutionwereevaluated.·RESULTS:Meanfollow-uptimewas8.9±7.7months(1-28months).Retinalreattachmentwasachievedwithasingleoperationin47(95.9%)of49eyes.Intwoeyes(4.1%),retinalredetachmentduetonewbreakswassuccessfullytreatedwithreoperationusingthe23-GTSVsystem.MeanlogMARvisualacuitywas2.01±0.47preoperativelyand1.3±0.5postoperatively(P<0.001,Pairedt-test).Meanpreoperativeintraocularpressure(IOP)was14.1±2.8mmHg.MeanpostoperativeIOPwas12.3±3.6mmHgat1day,13.1±2.1mmHgat1week,14.3±2.2mmHgat1month.Iatrogenicperipheralretinalbreakwasobservedin1eye(2.0%)intraoperatively.Nosutureswererequiredtoclosethescleralorconjunctivalopenings,andnoeyesrequiredconvertionofsurgeryto20-Gvitrectomy.·CONCLUSION:Primary23-GTSVsystemwasobservedtobeeffectiveandsafeinthetreatmentofRRD.

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