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ThenormalstructureoftheeyeballTerms角膜:corneaCorne/o--,Cornea角膜,Megacornea大角膜,Microcornea小角膜,Kerat/o--,Keratitis角膜炎,Keratomalacia角膜软化症巩膜:scleraScler/o--,Scleritis巩膜炎,Episcleritis表层巩膜炎,Episclera巩膜上层(epi--,beyondsomething),epidermis表皮,上皮Epidermal表皮的,外皮的虹膜:iris,Irid/o--,Iridotomy虹膜切开术,iridectomy虹膜切除术,iridocyclitis虹膜睫状体炎睫状体:ciliarybody脉络膜:choroid,Choroid/o--,choroidal脉络膜的,choroidoretinitis脉络膜视网膜炎视网膜:retin/oretinitis视网膜炎,retinopathy视网膜病变,diabeticretinopathy糖尿病视网膜病变瞳孔:pupil,Pupill/o--,pupillomotor瞳孔运动的,pupillometer瞳孔计玻璃体:vitreous,Vitre/o--,vitreous玻璃体的,Vitrectomy玻璃体切除术,Vitreretinal玻璃体视网膜的,Vitreretinopathy玻璃体视网膜病变晶状体:lens视盘:opticdisk黄斑:macular视神经:opticnerve中央凹:FoveaDiabeticretinopathyDefinition
Causes
Symptoms
Riskfactors
Testsanddiagnosis
WhentoseekmedicaladviceComplications
Treatmentsanddrugs
Prevention
DiabeticretinopathyDefinition
Diabeticretinopathyisacomplicationofdiabetesthatresultsfromdamagetothebloodvesselsofthelight-sensitivetissueatthebackoftheeye(retina).causeDiabeticretinopathycanhappentoanyonewhohastype1diabetesortype2diabetes.CausesWhenyouhavediabetes,yourbodydoesn'tusesugar(glucose)properly.CausesIfyourbloodsugarlevelistoohigh,yournaturallensmayswell—whichcanbluryourvision.CausesEventually,toomuchsugarinyourbloodcandamagethetinybloodvessels(capillaries毛细血管)thatnourishtheretina.Thiscanresultindiabeticretinopathy.capillary,Capill/o-,n.&adj.毛细管(的)Capillaritis毛细管炎SymptomsAtfirst,diabeticretinopathymaycausenosymptomsoronlymildvisionproblems.SymptomsYoucanhavediabeticretinopathyandnotknowit.Infact,symptomsareunusualintheearlystagesofdiabeticretinopathy.SymptomsEventually,however,diabeticretinopathycanresultinblindness.InChina,diabeticretinopathyisaleadingcauseofblindnessinadults.symptomsInfact,upto45percentofadultsdiagnosedwithdiabetesinChinahavesomedegreeofdiabeticretinopathy,accordingtotheNationalEyeInstitute.symptomsAndthelongeryouhavediabetes,themorelikelyyouaretodevelopdiabeticretinopathy.SymptomsDiabeticretinopathyusuallyaffectsbotheyes.SymptomsAstheconditionprogresses,diabeticretinopathysymptomsmayinclude:
A)Spotsfloatinginyourvision
B)Blurredvision
C)Darkstreaksoraredfilmthatblocksyourvision
D)Poornightvision
E)VisionlossDiabeticretinopathyisusuallyclassifiedasearlyoradvanced.Earlydiabeticretinopathy.
Nonproliferativediabeticretinopathy(NPDR)isthemostcommontypeofdiabeticretinopathy.Itcanbedescribedasmild,moderateorsevere.NPDR:(NonProlifertive
Dibetic
Retinopthy)
非增殖性糖尿病视网膜病变WhenyouhaveNPDR,thewallsofthebloodvesselsinyourretinaweaken.Tinybulges(凸起)protrude(伸入)fromthevesselwalls,sometimesleakingoroozingfluidandbloodintotheretina.Thesebulgesarecalledmicroaneurysms.Microaneurysms:微动脉瘤,微血管瘤Intheearlystagesofdiabeticretinopathy,thewallsofthebloodvesselsinyourretinaweaken.Tinybulgesprotrudefromthevesselwalls,sometimesleakingoroozingfluidandbloodintotheretina.Asdiabeticretinopathyprogresses,newbloodvesselsmaygrowandthreatenyourvision.
Astheconditionprogresses,thesmallervesselsmaycloseentirelyandthelargerretinalveinsmaybegintodilate(扩大)
andbecomeirregularindiameter(直径).Nervefibersintheretinamaybegintoswell.Sometimesthecentralpartoftheretina(macula)beginstoswell,too.Thisisknownasmacularedema.Macula:黄斑Macularedema:黄斑水肿termsExtensive:广泛的,大量的Intraretinal
microvascular
abnormalitis
(IRMA)视网膜内微血管异常Intraretinal:视网膜内部的Microvascular
:微血管的Cottonwoolspots:棉绒斑Hemorrhage:出血Rootsthatmeansblood:Hemo-,hema-,hem-,haemo-,haema-,haem--rrhage,出血,流血Gastrointestinalrrhage
消化道出血Advanceddiabeticretinopathy.Proliferativediabeticretinopathy(PDR)isthemostseveretypeofdiabeticretinopathy.WhenyouhavePDR,abnormalbloodvesselsgrowintheretina.Sometimesthenewbloodvesselsgroworleakintothevitreous(theclear,jelly-likesubstancethatfillsthecenterofyoureye).玻璃体:vitreous,Vitre/o--,vitreous玻璃体的,Vitrectomy玻璃体切除术,Jelly-like:胶状的Eventually,scartissuestimulatedbythegrowthofnewbloodvesselsmaycausetheretinatodetach(脱离)fromthebackofyoureye.Ifthenewbloodvesselsinterferewiththenormalflowoffluidoutoftheeye,pressuremaybuildupintheeyeball.Thiscandamagetheopticnerve.(Thenervethatcarriesimagesfromyoureyetoyourbrain).Peripheral:外围的,不重要的Peri-
,外围的,周围的Perinatal
围产期的,出生前后的Periportal
门静脉周的,Periarteritis
动脉周围炎,periappendicitis
阑尾周炎Exudative
maculopathy:渗出性黄斑病变Hardexudates:硬渗出物Hardexudatesandhemorrhageslateraltomacula:单侧性黄斑硬性渗出和出血Lateral:侧部的Apparent:明显的Quadrant:象限,四分之一圆Prominent:显著的Riskfactors
Diabeticretinopathycanhappentoanyonewhohasdiabetes.Theriskishighestifyou:RiskfactorsHavepoorcontrolofyourbloodsugarlevelHavehighbloodpressureHavehighcholesterolArepregnantAreblackorHispanicSmokeHispanic:西班牙人Cholesterol:胆固醇RiskfactorsThelongeryouhavediabetes,thegreateryourriskofdevelopingdiabeticretinopathy.WhentoseekmedicaladviceEarlydetectionofdiabeticretinopathyisthebestwaytopreventvisionloss:(a)Ifyouhavediabetes,seeyoureyedoctorforayearlydilated
eyeexam(扩瞳检查)
—evenifyourvisionseemsfine.(b)Ifyoubecomepregnant,youreyedoctormayrecommendadditionaleyeexamsthroughoutyourpregnancy.(c)Contactyoureyedoctorrightawayifyouexperiencesuddenvisionchangesoryourvisionbecomesblurry,spottyorhazy(模糊或有斑点).Complications
Theabnormalgrowthofnewbloodvesselsintheretinacanleadtoseriousvisionproblems:Vitreoushemorrhage.Thenewbloodvesselsmaybleedintotheclear,jelly-likesubstancethatfillsthecenterofyoureye(vitreous).
Retinaldetachment(视网膜脱离).Thismaycauseblurredvision,spotsfloatinginyourvisionorseverevisionloss.Glaucoma.Thenewbloodvesselsmayinterferewiththenormalflowoffluidoutoftheeyeandcausepressureintheeyetobuildup.Blindness.Eventually,diabeticretinopathycanleadtocompletevisionloss.Glaucoma:青光眼TestsanddiagnosisDiabeticretinopathyisbestdiagnosedwithadilatedeyeexam.Duringtheexam,youreyedoctorwilllookfor:AbnormalbloodvesselsSwelling,bloodorfattydepositsintheretinaDamagetothenervetissueGrowthofnewbloodvesselsandscartissueBleedinginthevitreousRetinaldetachmentTestsanddiagnosisAspartoftheeyeexam,yourdoctormaydoaretinalphotographytestcalledfluoresceinangiography.Yourdoctoralsomayrequestanopticalcoherencetomography(OCT)exam.Fundus
fluoresceinangiography(FFA)荧光素眼底血管造影术Fundus
眼底,基底,宫底,Fluorescein
荧光素,angiography血管造影术Fundushemorrhage眼底出血Opticalcoherencetomography(OCT)光学相干断层扫描Coherence连续性,相关性,一致性Tomography:X线断层摄影术=laminographyTreatments
Treatmentfordiabeticretinopathydependsonthetypeofdiabeticretinopathyyouhave,itsseverityandhowwellitmayrespondtospecifictreatments.Earlydiabeticretinopathy
Ifyouhavenonproliferativediabeticretinopathy,youmaynotneedtreatmentrightaway.However,youreyedoctorwillcloselymonitoryourretinatodetermineifyouneedlasertreatment.AdvanceddiabeticretinopathyIfyouhaveproliferativediabeticretinopathy,you'llneedpromptsurgicaltreatment.Sometimessurgeryisrecommendedforseverenonproliferativediabeticretinopathy,too.Dependingonthespecificproblemswithyourretina,optionsmayinclude:Treatmentsanddrugslasertreatmentsurgicaltreatment.VirtectomyPreventionRemember,diabetesdoesn'tnecessarilydoomyoutopoorvision.Takinganactiveroleindiabetesmanagementcangoalongwaytowardpreventingcomplications.Doom宣告厄运
Prevention
Makeacommitmenttomanagingyourdiabetes.Monitoryourbloodsugarlevel.Askyourdoctoraboutaglycatedhemoglobintest.Glycatedhemoglobintest糖化血红蛋白检测Glycated
糖化的,hemoglobin血红蛋白=haemoglobinPreventionKeepyourbloodpressureandcholesterolundercontrol.Quitsmoking.Takestressseriously.
Payattentiontovisionchanges.Wantmoreinformation?Gotothesewebsites:英文:(1)AmericanAcademyofOphthalmology/(2)CanadianOphthalmologicalSocietyhttp://www.eyesite.ca/(3)Nationaleyeinstitute/(4)免费网上检索Medline数据库/healthgate/MEDLINE/search.shtml(5)美国国立医学图书馆/PubMed/中文:中国眼科医学信息网/眼底病论坛/index.htm中文医网-文献检索/doctor/search/qkjs.htm医网导航-文献检索/~orange98/navigate.htm国家图书馆文献提供中心/dcylb
TheEndThenormalstructureoftheeyeballTerms角膜:corneaCorne/o--,Cornea角膜,Megacornea大角膜,Microcornea小角膜,Kerat/o--,Keratitis角膜炎,Keratomalacia角膜软化症巩膜:scleraScler/o--,Scleritis巩膜炎,Episcleritis表层巩膜炎,Episclera巩膜上层(epi--,beyondsomething),epidermis表皮,上皮Epidermal表皮的,外皮的虹膜:iris,Irid/o--,Iridotomy虹膜切开术,iridectomy虹膜切除术,iridocyclitis虹膜睫状体炎睫状体:ciliarybody脉络膜:choroid,Choroid/o--,choroidal脉络膜的,choroidoretinitis脉络膜视网膜炎视网膜:retin/oretinitis视网膜炎,retinopathy视网膜病变,diabeticretinopathy糖尿病视网膜病变瞳孔:pupil,Pupill/o--,pupillomotor瞳孔运动的,pupillometer瞳孔计玻璃体:vitreous,Vitre/o--,vitreous玻璃体的,Vitrectomy玻璃体切除术,Vitreretinal玻璃体视网膜的,Vitreretinopathy玻璃体视网膜病变晶状体:lens视盘:opticdisk黄斑:macular视神经:opticnerve中央凹:FoveaDiabeticretinopathyDefinition
Causes
Symptoms
Riskfactors
Testsanddiagnosis
WhentoseekmedicaladviceComplications
Treatmentsanddrugs
Prevention
DiabeticretinopathyDefinition
Diabeticretinopathyisacomplicationofdiabetesthatresultsfromdamagetothebloodvesselsofthelight-sensitivetissueatthebackoftheeye(retina).causeDiabeticretinopathycanhappentoanyonewhohastype1diabetesortype2diabetes.CausesWhenyouhavediabetes,yourbodydoesn'tusesugar(glucose)properly.CausesIfyourbloodsugarlevelistoohigh,yournaturallensmayswell—whichcanbluryourvision.CausesEventually,toomuchsugarinyourbloodcandamagethetinybloodvessels(capillaries毛细血管)thatnourishtheretina.Thiscanresultindiabeticretinopathy.capillary,Capill/o-,n.&adj.毛细管(的)Capillaritis毛细管炎SymptomsAtfirst,diabeticretinopathymaycausenosymptomsoronlymildvisionproblems.SymptomsYoucanhavediabeticretinopathyandnotknowit.Infact,symptomsareunusualintheearlystagesofdiabeticretinopathy.SymptomsEventually,however,diabeticretinopathycanresultinblindness.InChina,diabeticretinopathyisaleadingcauseofblindnessinadults.symptomsInfact,upto45percentofadultsdiagnosedwithdiabetesinChinahavesomedegreeofdiabeticretinopathy,accordingtotheNationalEyeInstitute.symptomsAndthelongeryouhavediabetes,themorelikelyyouaretodevelopdiabeticretinopathy.SymptomsDiabeticretinopathyusuallyaffectsbotheyes.SymptomsAstheconditionprogresses,diabeticretinopathysymptomsmayinclude:
A)Spotsfloatinginyourvision
B)Blurredvision
C)Darkstreaksoraredfilmthatblocksyourvision
D)Poornightvision
E)VisionlossDiabeticretinopathyisusuallyclassifiedasearlyoradvanced.Earlydiabeticretinopathy.
Nonproliferativediabeticretinopathy(NPDR)isthemostcommontypeofdiabeticretinopathy.Itcanbedescribedasmild,moderateorsevere.NPDR:(NonProlifertive
Dibetic
Retinopthy)
非增殖性糖尿病视网膜病变WhenyouhaveNPDR,thewallsofthebloodvesselsinyourretinaweaken.Tinybulges(凸起)protrude(伸入)fromthevesselwalls,sometimesleakingoroozingfluidandbloodintotheretina.Thesebulgesarecalledmicroaneurysms.Microaneurysms:微动脉瘤,微血管瘤Intheearlystagesofdiabeticretinopathy,thewallsofthebloodvesselsinyourretinaweaken.Tinybulgesprotrudefromthevesselwalls,sometimesleakingoroozingfluidandbloodintotheretina.Asdiabeticretinopathyprogresses,newbloodvesselsmaygrowandthreatenyourvision.
Astheconditionprogresses,thesmallervesselsmaycloseentirelyandthelargerretinalveinsmaybegintodilate(扩大)
andbecomeirregularindiameter(直径).Nervefibersintheretinamaybegintoswell.Sometimesthecentralpartoftheretina(macula)beginstoswell,too.Thisisknownasmacularedema.Macula:黄斑Macularedema:黄斑水肿termsExtensive:广泛的,大量的Intraretinal
microvascular
abnormalitis
(IRMA)视网膜内微血管异常Intraretinal:视网膜内部的Microvascular
:微血管的Cottonwoolspots:棉绒斑Hemorrhage:出血Rootsthatmeansblood:Hemo-,hema-,hem-,haemo-,haema-,haem--rrhage,出血,流血Gastrointestinalrrhage
消化道出血Advanceddiabeticretinopathy.Proliferativediabeticretinopathy(PDR)isthemostseveretypeofdiabeticretinopathy.WhenyouhavePDR,abnormalbloodvesselsgrowintheretina.Sometimesthenewbloodvesselsgroworleakintothevitreous(theclear,jelly-likesubstancethatfillsthecenterofyoureye).玻璃体:vitreous,Vitre/o--,vitreous玻璃体的,Vitrectomy玻璃体切除术,Jelly-like:胶状的Eventually,scartissuestimulatedbythegrowthofnewbloodvesselsmaycausetheretinatodetach(脱离)fromthebackofyoureye.Ifthenewbloodvesselsinterferewiththenormalflowoffluidoutoftheeye,pressuremaybuildupintheeyeball.Thiscandamagetheopticnerve.(Thenervethatcarriesimagesfromyoureyetoyourbrain).Peripheral:外围的,不重要的Peri-
,外围的,周围的Perinatal
围产期的,出生前后的Periportal
门静脉周的,Periarteritis
动脉周围炎,periappendicitis
阑尾周炎Exudative
maculopathy:渗出性黄斑病变Hardexudates:硬渗出物Hardexudatesandhemorrhageslateraltomacula:单侧性黄斑硬性渗出和出血Lateral:侧部的Apparent:明显的Quadrant:象限,四分之一圆Prominent:显著的Riskfactors
Diabeticretinopathycanhappentoanyonewhohasdiabetes.Theriskishighestifyou:RiskfactorsHavepoorcontrolofyourbloodsugarlevelHavehighbloodpressureHavehighcholesterolArepregnantAreblackorHispanicSmokeHispanic:西班牙人Cholesterol:胆固醇RiskfactorsThelongeryouhavediabetes,thegreateryourriskofdevelopingdiabeticretinopathy.WhentoseekmedicaladviceEarlydetectionofdiabeticretinopathyisthebestwaytopreventvisionloss:(a)Ifyouhavediabetes,seeyoureyedoctorforayearlydilated
eyeexam(扩瞳检查)
—evenifyourvisionseemsfine.(b)Ifyoubecomepregnant,youreyedoctormayrecommendadditionaleyeexamsthroughoutyourpregnancy.(c)Contactyoureyedoctorrightawayifyouexperiencesuddenvisionchangesoryourvisionbecomesblurry,spottyorhazy(模糊或有斑点).Complications
Theabnormalgrowthofnewbloodvesselsintheretinacanleadtoseriousvisionproblems:Vitreoushemorrhage.Thenewbloodvesselsmaybleedintotheclear,jelly-likesubstancethatfillsthecenterofyoureye(vitreous).
Retinaldetachment(视网膜脱离).Thismaycauseblurredvision,spotsfloatinginyourvisionorseverevisionloss.Glaucoma.Thenewbloodvesselsmayinterferewiththenormalflowoffluidoutoftheeyeandcausepressureintheeyetobuildup.Blindness.Eventually,diabeticretinopathycanleadtocompletevisionloss.Glaucoma:青光眼TestsanddiagnosisDiabeticretinopathyisbestdiagnosedwithadilatedeyeexam.Duringtheexam,youreyedoctorwilllookfor:AbnormalbloodvesselsSwelling,bloodorfattydepositsintheretinaDamagetothenervetissueGrowthofnewbloodvesselsandscartissueBleedinginthevitreousRetinaldetachmentTestsanddiagnosisAspartoftheeyeexam,yourdoctormaydoaretinalphotographytestcalledfluoresceinangiography.Yourdoctoralsomayrequestanopticalcoherencetomography(OCT)exam.Fundus
fluoresceinangiography(FFA)荧光素眼底血管造影术Fundus
眼底,基底,宫底,Fluorescein
荧光素,angiography血管造影术Fundus
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