波前像差引导联合虹膜识别的准分子激光手术治疗中低度近视散光的疗效观察

《波前像差引导联合虹膜识别的准分子激光手术治疗中低度近视散光的疗效观察》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、天津医科大学硕士学位论文AbstractObjective：Tocomparetheclinicalresultsbetweenirisregistrationcombined17l，i也wavefrontaberrationguidedlasersubepithelialkeratomileusis(LASEK)，irisregistrationcombinedwithwavefrontaberrationguidedlaserinsitukeratomileusis(LASIK)andconventionalLASIKinthetreatmentoflowtomoderatemyopia

2、astigmatism，thereseachcallprovidemoreinstructionsforrefractivesurgeonstochoosemoreappropriateoperation。Methods：Irisregistrationcombined、Ⅳi血wavel昏ontaberrtionguidedLASEKWasperformedin15patients(29eyes)asclinicalgroupA,andirisregistrationcombinedwi也wavefrontaberrtionguidedLASIXwasperformedin16patient

3、s(32eyes)asclinicalgroupB，andconventionalLASIKwasperformedin16patients(30eyes)ascontrolgroupC．Duringthesurgery,wemeasuredthepupilcentroilshiftandeyecyelotorision．Afterthesurgerywecomparedtheclinicalresultsofthethreegroups·Results：1．ThecyclotorsionduringsurgeryWasdetectedingroupAandgroupB．ThemeRnrot

4、ationangleWas(3．85±2．02)。andthemeanpupilcentricshiftWaS(0．23±0．18)ramintheXaxisand(O．18+0．13)ramintheYaxisrespectively．2．Uncorrectedvisualacuity(UCVA)inallgroupsWaSO．8orbetterat1monthpostoperatively．UCVAof62％ingroupA，60％ingroupB，33％incontrolgroupwasbetterthanpreoperativebestcorrectedvisualacuity(BS

5、CVA)．TherewasrlosignificantdifferencebetweengroupAandgroupBpostoperatively(P)O．05),buttherewassignificantdifferencebetweenclinicalgroupsandcontrolgroup(P(O．05)．Therewasnosignificantdifferenceinmyopiabetweenthreegroupsat1,3，6monthspostoperatively(乃0．05)．ThedegreeofastigmatisminthegroupC(-0．47+--0．17

6、)Dat6monthaftertheoperationwassignigicantlyhigherthanthatinthegroupA(一0．20±O．11)DandgroupB(-0．22±0．12)D(P<0．05)．3．Therootmeanssquaresoftotalhigherorderaberration(HOA)increasedat1month,3month，6monthpostoperately．TheamountofincreaseinHOAWaS78％ingroupB，whichWaslowerthan90％ingroupAand120％ingroupCat1mon

7、th．Butm天津医科大学硕士学位论文at6monththeamountofincreaseinHOAwas71％ingroup气thereWaslowerthan85％ingroupBand15％ingroupC，thereWassignificantdifferencebetweenclinicalgroupandcontrolgroups(P<0．05)．4．Therootmeansquareofsph