简介：AIM:Toinvestigatetheassociationbetweensocioeconomicstatus(SES)andvisualdisability(VD)amongolderChineseadults.METHODS:WeobtaineddatafromtheSecondNationalSampleSurveyonDisability,conductedinChinain2006.Atotalnumberof192375olderadults(aged≥65y)werescreenedforsuspectedVDviainterviewswithtrainedexaminers.ThosewhoscreenedpositivelyforVDwerereferredtoophthalmologiststoobtainafinaldiagnosis.RESULTS:VDwasprevalentamong7.29%ofChineseadultsaged65andolder,andwashigherinruralareas(8.71%)thaninurbanareas(4.82%).AfteradjustingforSESindicatorsandcovariates,wefoundthatlesseducatedolderadultsweremorelikelytosufferfromVD,withanoddsratio(OR)of2.50(95%CI:2.26-2.82)forilliterates,comparedwiththosewhograduatedfromseniorhighschoolorabove.OlderadultswhowereinthelowestincomequintileweremoreatriskofVD,withanORof1.81(95%CI:1.68-2.95),comparedwithadultsinthehighestincomequintile.Inurbanareas,whencomparedwithadultswhograduatedfromseniorhighschoolorabove,thosewhodidnotcontinuetheireducationafterjuniorhighschool,primaryschool,orthosewhowereilliterate,weremorelikelytosufferfromVD,withanORof1.35(95%CI:1.51-1.59),1.84(95%CI:1.60-2.12),and2.63(95%CI:2.27-3.04),respectively.LowerlevelsofincomewerestatisticallysignificantwhenassociatedwithVD.Inruralareas,adultswhowereilliteratehadanORof2.21(95%CI:1.75-2.79)whencomparedtoadultswithseniorhighschooloraboveeducationlevel.Percapita,householdincomeremainedsignificantlyassociatedwithVD.Olderadultswhowere≥85,female,single,andresidinginruralareaswereassociatedwithhigherrisksofVD.CONCLUSION:Individual-levelSESamongtheelderly,intheformofeducationandincome,isassociatedwithVDamongelderlyChineseadultsinbothurbanandruralareas;however,theassociationisstrongerinruralareas.Furtherstudiesarestillrequiredtoex

简介：AIM:TostudytheevolutionoftherefractivestatusandexaminetheaffectedfactorsininfantsduringthefirstyearoflifeinalargesamplesizeinChina.METHODS:Atotalof1258babies(2516eyes)aged32wkgestationalageto1yparticipatedinthestudy,including766prematureand492full-terminfants.First,eachbabyreceivedanorthopticexamination,slit-lampcheckingandfundusimaging.Patientswithdiseaseswhichmightaffectrefractivestatuswereexcludedfromthecohort.Thecycloplegiaretinoscopywasperformed.Theirneonatalhistorieswerereviewed.Eachmeasurementcontainedtherefractivestatusandcalculationofthesphericalequivalent(SE).RESULTS:Refractivestateshowedanaveragehyperopiaof+0.94±1.63Datearlyages,followedbyatrendtowardmorehyperopia.Therefractivestatereachedthetop(+2.43±1.46D)attheageofonetotwomonths.Thenglidingtilloneyearoldwhentherefractivestatereached+0.59±1.41D.Theprevalenceofastigmatismwas42.17%inthestudy,being2.82%myopicastigmatismand39.35%hyperopicastigmatism.The94.1%ofhyperopicastigmatismwaswith-the-ruleastigmatismand71.83%ofmyopicastigmatismwaswith-the-ruleastigmatism.Refractivestatebetweenboysandgirlswasdifferent.ThemeanSEofboyswas+1.97±1.57D,whilethatofgirlswas+1.79±1.46D,andthedifferencewassignificant.CONCLUSION:Beforeoneyearold,thechangeofrefractivestatusisassociatedwithcheckingageandsex.Attheageofonetotwomonths,thedegreeofhyperopiareachesthetop.Boyshavemorehyperopicdegreethangirls,andwiththe-ruleastigmatismispredominant.Excludingprematureinfantswithadvancedretinopathyofprematurity,prematureandfull-termchildrenhavesamerefractionstatus.

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简介：AIM:Toinvestigatetheefficacyandsafetyofkryptonlaserperipheraliridoplasty(LPIP)forChinesepatientswithprimaryangleclosure(PAC)orprimaryangle-closureglaucoma(PACG)statuspostlaseriridotomyinreversingthepositiveresultsofthedarkroomprovocativetest(DRPT).METHODS:Thisstudywasprospective,noncomparative,interventionalcaseseries.Thirty-threepatients(thirty-eighteyes)withPACorPACGstatuspostpatentlaseriridotomyandmaintainednormalintraocularpressure(IOP)butwithpositiveDRPTresultswereenrolled.AllthesubjectsweretreatedwithkryptonLPIP.DRPTwasrepeatedafterkryptonLPIP.ResultsofDRPTwererecorded.Thevisualacuity,IOPandgonioscopywereanalyzedbeforeandafterkryptonLPIP.Aminimumtimelimitforfollow-upwas6mo.RESULTS:Thirty-threepatients(thirty-eighteyes)werefollowedfor17.7±8.37mo(range7-41mo)afterLPIP.PositiveresultsofDRPTdecreasedfrom38eyesto9eyes(23.7%)afterLPIP.Peripheralanteriorsynechiaeofanglein34of38eyes(89.5%)remainedunchangedatdynamicgonioscopythroughoutthefollow-upperiodafterLPIP.CONCLUSION:LPIPdecreasedpositiveratesoftheDRPTsignificantly.ThemechanismmaybethatLPIPminimizedcontactbetweentheperipheralirisandtrabecularmeshwork,whichisakeyfactorfordevelopingperipheralanteriorsynechiae.