简介：

简介：AIM:Toestimatetheprevalenceandriskfactorsforvitreousfloatersinthegeneralpopulation.·METHODS:Anelectronicsurveywasadministeredthroughasmartphoneappaskingvariousdemographicandhealthquestions,includingwhetherusersexperiencefloatersintheirfieldofvision.Multivariatelogisticregressionanalysiswasusedtodetermineriskfactors.·RESULTS:Atotalof603individualscompletedthesurvey,with76%reportingthattheyseefloaters,and33%reportingthatfloaterscausednoticeableimpairmentinvision.Myopeswere3.5timesmorelikely(P=0.0004),andhyperopes4.4timesmorelikely(P=0.0069)toreportmoderatetoseverefloaterscomparedtothosewithnormalvision.Floaterprevalencewasnotsignificantlyaffectedbyrespondentage,race,gender,andeyecolor.·CONCLUSION:Vitreousfloaterswerefoundtobeaverycommonphenomenoninthisnon-clinicalgeneralpopulationsample,andmorelikelytobeimpairinginmyopesandhyperopes.