简介：例1男，62岁，农民，左眼20年前因青光眼绝对期在本院行小梁切除术，术后常出现限部红、痛症状，经用药后缓解，近2月来疼痛加剧严重影响生活质量而入院要求行左眼内容剜出术。入院榆查：左眼视力无光感，球结膜混合性充血，角膜水肿、混浊，前房浅，房水混浊，虹膜面大量新生血管，瞳孔4mm大小完全后粘连，

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

简介：P75神经营养受体是最早发现的神经营养因子受体,既往认为其主要作为高亲和力受体的辅助受体间接发挥作用.近年来研究表明,P75神经营养受体在神经系统的发育中有诱导细胞凋亡作用.现阐述其在视网膜神经细胞生长,分化以及逆向运输神经营养因子等方面的作用.

简介：随着研究生招生观念的转变，招收的医学临床专业学位研究生的比重越来越大，对专业型研究生的培养也越来越注重实用。我们在眼科专业型研究生临床培养中，增加病房临床实践时间，特别注重典型病例的示范作用，每一个专业组都会结合自己专业的特点，将典型病例的特点从各个角度展示给广大研究生们，培养其临床诊治思辨能力，培训其显微手术技巧，从临床病历书写到记录总结，结合文献复习，拓展知识结构，锻炼专业型研究生论文书写能力，并以典型病例为基础，扩展知识覆盖面，引申注意事项及特殊病例的诊治。这套严格的培养体系，使专业型研究生能举一反三，从典型病例、重点病例中获取对该种病情的最直观的全景了解与熟悉，以最少的时间掌握最多的临床知识，丰富临床经验，为将来工作岗位中的考核打下基础。