Intherecentpasttherehavebeenanumberofamazinginnovationsintheworldof3Dentertainment,frommovietheatertechnologytowhatweseeathome,tohighlydevelopedgames.Astimegoesbyandthetechnologybecomesmoreandmoreaffordable,itseemslikelythatviewingimageswith3Dglassescouldbecomeapartofday-to-daylifeformany.Nowresearcherssaythatmightnotbeagoodthing,asthedangersof3Dglassescometolightinresearch.

　　3Dglassescanreportedlybeveryunhygienic(不卫生的).HealthofficialsinItalyrecentlyconfiscated(没收)3Dglassesthattheyclaimedposedhealthrisksbecausethe3Dglassesweren’tcleanedproperlybetweenscreenings.Theothermoreobviousdangersof3Dglassesremain.ResearchersattheUniversityofCalifornia,Berkeleyhavefoundthatviewing3Dmovieswith3Dglassescanstraintheeyesbychangingtherelationshipbetweentheeyesandthebrain.Thiscanresultinheadachesandblurredvision,anditseemsthattheproblemisparticularlytroublingforyoungchildren.Thosewhodoexperiencethesekindsofpainfulsideeffectsshouldlimittheir3Dviewing,aslong-termresultshaven’tbeenfound.

　　Whatshouldbedoneaboutthedangersof3D?Well,theheadachesanddizzinessthatsomeviewersexperiencecanbereducedsimplybylesseningtheamountoftimespentusing3Dtechnologyandthosewhoexperiencetheeffectsforalongperiodoftimeshouldconsulttheirdoctors.

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