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  • 简介:1.以下哪种情况引起青光眼的发病机理和其它的不一样:A)Sturge-Weber综合征B)甲状腺相关眼病c)无虹膜D)颈动脉海绵窦瘘2.和眼内压水平有关的主要因素包括以下,除了:A)睫状后长动脉收缩压B)房水生成率C)房水流出阻力D)上巩膜静脉压3.预测氩激光小梁成形术成功的最主要因素是:A)诊断(即青光眼的类型)B)小梁网色素程度

  • 标签: 试题解答
  • 简介:1.以下不属于视网膜血管增生性肿瘤特点的是:A.多数位于视网膜的下半周,特别是颞下方视网膜;B.其病理为血管组织和胶质的不同比例混合性异常增生;C.常见于中老年人;D.多为继发性改变。2.视锥细胞营养不良与Stargardt病不同的临床表现是:A.色觉异常往往表现在视力下降之前;B.眼底可以表现为“牛眼”征;C.有遗传异质性,可表现为多种遗传方式;D.一般不伴有夜盲。

  • 标签: STARGARDT病 视锥细胞营养不良 视网膜血管 试题 继发性改变 遗传异质性
  • 简介:1.下列关于视网膜电图的说法不正确的是:A.a波起源于光感受器内段;B.b波起源于Muller细胞或双极细胞;C.视网膜血管性疾病主要表现为振荡电位降低;D.性连锁视网膜劈裂征呈现降低的a波和b波。2.下列关于角膜营养不良的说法不正确的是:A.格子样角膜营养不良是常染色体显性遗传,发病早,10岁前即已发病;

  • 标签: MULLER细胞 视网膜血管性疾病 常染色体显性遗传 角膜营养不良 试题 视网膜电图
  • 简介:1.雷珠单抗眼内注射常见的不良反应不包括以下哪项?A.结膜出血;B.飞蚊症;C.眼内压升高;D.视网膜撕裂。2.关于高度近视治疗,以下说法错误的是:A.有症状的视网膜裂孔应考虑光凝、冷凝或巩膜扣带术;B.中心凹下新生血管可行抗血管内皮生长因子注射;C.建议运动时配戴防护眼镜;D.旁中心凹脉络膜新生血管不可行激光光凝治疗。

  • 标签: 脉络膜新生血管 眼缺血综合征 激光光凝治疗 中心凹 巩膜扣带术 氩激光治疗
  • 简介:AIM:ToIntroduceanewspecializedvisualacuitychartforamblyopicchildrenaged3-5yearsoldanditsclinicalapplications.METHODS:ThenewvisualacuitychartandnotationsweredesignedbasedonWeber-Fechnerlaw.Theoptotypeswereredagainstawhitebackgroundandwerespeciallyshapedfourbasicgeometricsymbols:circle,square,triangle,andcross.Aregulargeometricprogressionoftheoptotypesizesanddistributionwasemployedtoarrangein14lines.Theprogressionrateoftheoptotypesizebetweentwolineswas1.2589andthetestingdistancewas3m.VisualacuityscorecouldberecordedaslogMARnotationordecimalnotation.Agestratifieddiagnosticcriteriaforamblyopiaestablishedbyconsensusstatementondiagnosisofamblyopia(2011)amongmembersoftheStrabismusandPediatricOphthalmologyGroup,OphthalmologySociety,ChineseMedicalAssociation(SPOGOSCMA)wereillustratedinthenewvisualacuitychart.RESULTS:Whenassessingvisualacuityinchildrenaged3-5yearsold,thisnewvisualacuitychartthatconsistsoffoursymmetricalshapes(triangle,square,cross,andcircle)overcameaninabilitytorecognizethelettersofthealphabetanddifficultiesindesignatingthedirectionofblackabstractsymbolssuchasthetumbling’E’orLandolt’C’,whichthesubjectswerepronetoloseinterestin.Thevisualacuityscoremayberecordedindifferentnotations:decimalacuityandlogMAR.Thesetwonotationscanbeeasilyconvertedeachotherintheneweyechart.Themeasurementsofthisnewchartnotonlyshowedasignificantcorrelationandagoodconsistencywiththeinternationalstandardlogarithmicvisualacuitychart(r=0.932,P<0.01),butalsoindicatedahightest-retestreliability(89%ofretestscoreswerewithin0.1logMARunitsoftheinitialtestscore).CONCLUSION:Theresultsofthisstudysupportthevalidityandreliabilityofdistancevisualacuitymeasurementsusingtheneweyechartinchildrenaged3to5yearsoverawiderangeofvisualacuities,andtheneweyechartisgreatforearl

  • 标签: amblyopic CHILDREN Weber-Fcchner LAW INTERNATIONAL standard