Retina imaging by using compact line scanning quasi-confocal ophthalmoscope

(整期优先)网络出版时间:2013-02-12
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Acompactlinescanningquasi-confocalophthalmoscope(LSO)ispresentedinthisletter.Comparedwithaconventionalscanninglaserophthalmoscope(SLO),thebench-topLSOsignificantlyreducesthesize,complexity,andcostofSLOutilitywithroutineuse.TheLSOusesonemovingparttoproducehigh-contrastandhigh-resolutionquasi-confocalimageswithnearlythesameperformanceasaSLO.TheLSOhasamoderatefieldofview(~10),whichenablesimagesofthemacula,theopticnervehead,andothertargetstobeobtainedmorequicklyandefficiently.Animageoftheopticnerveheadistakeninapreliminaryinvestigationonhumansubjects.Inpidualnervefiberbundlesandvesselsareresolvedatashallowdepth,withalateralresolutionofnearly10μm.