视网膜炎.ppt

第六节 葡萄膜病与视网膜病 课程内容与要求 1.掌握虹膜睫状体炎 2.了解视网膜中央动脉阻塞 3.了解视网膜中央静脉阻塞 4.熟悉糖尿病性视网膜病变 5.熟悉高血压性视网膜病变 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. ? 多发于中青年可累及双眼 ? 并能引起严重并发症和后遗症 ? 病因及发病机理： 外因性： 非感染性：如异物等物理化学刺激 →非化脓性葡萄膜炎 感染性：如眼球穿通伤、内眼手术、角膜溃疡 穿孔使细菌或真菌进入眼内引起化脓 性葡萄膜炎 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 内因性：为葡萄膜炎主要病因 非感染性：免疫功能异常或伴有全身病 如风湿性关节炎、交感性眼炎等 感染性：多见于免疫功能低下或长期使用 免疫抑制剂 细菌病毒等可引起葡萄膜炎 如结核、梅毒、钩端螺旋体病 麻风等常引起特异性葡萄膜炎 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 继发性： 继发于眼部其他疾病，如眶蜂窝织炎、 角膜炎、巩膜炎、视网膜炎、视网膜脱离、 视神经炎等 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 分类： 前葡萄膜炎：虹膜睫状体炎 后葡萄膜炎：脉络膜炎 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 症状：眼痛 畏光 流泪 视力下降 体征： ? 睫状充血或混合充血 ? 房水混浊: 房水闪辉（Tyndall现象+） 角膜后沉着物（K . P）:尘状、羊脂状、色素 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 角膜后沉着物和房水混浊 色素KP 房水混浊 色素脱落 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. ? 虹膜粘连： 后粘连 ---与晶状体粘连 周边前粘连---前房角粘连 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 虹 膜 后 粘 瞳 孔 变 形 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 虹膜前后粘连 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. ? 继发性青光眼： 房水排出