ThenormalstructureoftheThenormalstructureoftheeyeballeyeballTermsTerms角膜:角膜:corneacorneaCorne/o--Corne/o--,,CorneaCornea角膜,角膜,MegacorneaMegacornea大角膜,大角膜,MicrocorneaMicrocornea小角膜,小角膜,Kerat/o--Kerat/o--,,KeratitisKeratitis角膜炎,角膜炎,KeratomalaciaKeratomalacia角膜软化症角膜软化症巩膜:巩膜:sclerascleraScler/o--Scler/o--,,ScleritisScleritis巩膜炎,巩膜炎,EpiscleritisEpiscleritis表层巩膜炎,表层巩膜炎,EpiscleraEpisclera巩膜上层巩膜上层((epi--epi--,,beyondsomethingbeyondsomething)),epidermis,epidermis表皮,上皮表皮,上皮EpidermalEpidermal表皮的,外皮的表皮的,外皮的虹膜虹膜:iris:iris,,Irid/o--Irid/o--,,IridotomyIridotomy虹膜切开术,虹膜切开术,iridectomyiridectomy虹膜切除术,虹膜切除术,iridocyclitisiridocyclitis虹膜睫虹膜睫状体炎状体炎睫状体:睫状体:ciliarybodyciliarybody脉络膜脉络膜:choroid:choroid,,Choroid/o--Choroid/o--,,choroidalchoroidal脉络膜的,脉络膜的,choroidoretinitischoroidoretinitis脉络膜视网膜炎脉络膜视网膜炎视网膜:视网膜:retin/oretin/oretinitisretinitis视网膜炎,视网膜炎,retinopathyretinopathy视网膜病变视网膜病变,diabeticretinopathy,diabeticretinopathy糖糖尿病视网膜病变尿病视网膜病变瞳孔瞳孔:pupil:pupil,,Pupill/o--Pupill/o--,pupillomotor,pupillomotor瞳孔运动的,瞳孔运动的,pupillometerpupillometer瞳瞳孔计孔计玻璃体玻璃体:vitreous:vitreous,,Vitre/o--Vitre/o--,,vitreousvitreous玻璃体的玻璃体的,Vitrectomy,Vitrectomy玻璃体切除术玻璃体切除术,,VitreretinalVitreretinal玻璃体视网膜的玻璃体视网膜的,Vitreretinopathy,Vitreretinopathy玻璃体视网膜病变玻璃体视网膜病变晶状体:晶状体:lenslens视盘:视盘:opticdiskopticdisk黄斑黄斑:macular:macular视神经:视神经:opticnerveopticnerve中央凹中央凹:Fovea:FoveaDiabeticretinopathyDiabeticretinopathyDefinitionDefinitionCausesCausesSymptomsSymptomsRiskfactorsRiskfactorsTestsanddiagnosisTestsanddiagnosisWhentoseekmedicaladviceWhentoseekmedicaladviceComplicationsComplicationsTreatmentsanddrugsTreatmentsanddrugsPreventionPreventionDefinitionDefinitionDiabeticretinopathyisaDiabeticretinopathyisacomplicationofdiabetesthatresultscomplicationofdiabetesthatresultsfromdamagetothebloodvesselsoffromdamagetothebloodvesselsofthelight-sensitivetissueatthebackthelight-sensitivetissueatthebackoftheeye(retina).oftheeye(retina).causecauseDiabeticretinopathycanhappentoDiabeticretinopathycanhappentoanyonewhohastype1diabetesoranyonewhohastype1diabetesortype2diabetes.type2diabetes.CausesCausesWhenyouhavediabetes,yourbodyWhenyouhavediabetes,yourbodydoesn'tusesugar(glucose)properly.doesn'tusesugar(glucose)properly.CausesCausesIfyourbloodsugarlevelistoohigh,Ifyourbloodsugarlevelistoohigh,yournaturallensmayswell—whichyournaturallensmayswell—whichcanbluryourvision.canbluryourvision.CausesCausesEventually,toomuchsugarinyourEventually,toomuchsugarinyourbloodcandamagethetinybloodbloodcandamagethetinybloodvessels(vessels(capillariescapillaries毛细血管毛细血管)that)thatnourishtheretina.Thiscanresultinnourishtheretina.Thiscanresultindiabeticretinopathy.diabeticretinopathy.capillarycapillary,Capill/o-,,Capill/o-,n.&adj.n.&adj.毛细管毛细管((的的))CapillaritisCapillaritis毛细管炎毛细管炎SymptomsSymptomsAtfirst,diabeticretinopathymayAtfirst,diabeticretinopathymaycausenosymptomsoronlymildcausenosymptomsoronlymildvisionproblems.vis...