皇冠即时比分

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斜视的分类及对双眼视功能的影响

2009-08-25 12:35:45 来源: 多宝视

  临床上把由于眼球位置或运动异常所引起的双眼视轴分离称为斜视,其是较常见的一类眼科疾病。斜视按患者是否有眼外肌功能障碍可分为共转性斜视非共转性斜视两大类。共转性斜视又称共同性斜视,为各眼外肌功能正常,眼球向各个方向运动无障碍但双眼视轴分离者。根据注视眼的性质可分为单侧性和双眼交替性;根据斜视发生的时间可分为间歇性、恒定性或周期性等。非共转性斜视又称麻痹性斜视,为神经传导或眼外肌本身功能障碍致一条或数条眼外肌麻痹而发生双眼视轴分离者,患眼由于眼肌麻痹必然伴有眼球向某一个或多个方向运动障碍。确定了斜视患者为共转性或非共转性斜视后,按眼位的偏斜方向可以把共转性斜视分为内斜视、外斜视和垂直性斜视。麻痹性斜视则按麻痹神经或功能障碍眼外肌命名,如动眼神经麻痹、上斜肌麻痹等。由于支配眼球运动的眼外肌众多,且双眼视物时的协调运动有多条眼肌参与,使斜视发生的机理较为复杂,要了解斜视就必须首先明确双眼眼肌协同运动和双眼单视的形成机制。

皇冠即时比分  RENLEILIANGZHIYANQIUGEYOU6TIAOYANWAIJIZHUZAIYANQIUYUNDONG,TAMENSHI4TIAOZHIJIHE2TIAOXIEJI。GENJUQIZAIYANQIUSHANGDEFUZHEWEIZHIFENBIECHENGWEINEIZHIJI、WAIZHIJI、SHANGZHIJI、XIAZHIJIHESHANGXIEJI、XIAXIEJI。QIZHONGNEIWAIZHIJIDEZUOYONGBIJIAOJIANDAN,QIZHIPEIYANQIUSHUIPINGFANGXIANGYUNDONGDEZUOYONG。SHANGXIAZHIJIHESHANGXIAXIEJIDEFUZHEDIANYINPIANLIYANQIUDECHUIZHIFANGXIANG,QIZUOYONGZEBIJIAOFUZA,CHUXIETONGZHIPEIYANQIUCHUIZHIXIANGYUNDONGWAI,HAIJUYOUSHIYANQIUNEIWAIXUANZHUANYUNDONGDEGONGNENG,CONGERSHIYANQIUDUIQIANFANGGEFANGWEIDOUNENGDINGXIANGZHUSHI。

  ZHENGCHANGQINGKUANGXIASHUANGYANYUNDONGBIXUXIEDIAOYIZHI,SHISHUANGYANNENGGOUTONGSHIZHUSHIDANYIMUBIAO,ZHEIZHONGGONGNENGXUYAOSHUANGYANYANWAIJIDEXIETONGYUNDONGCAINENGWANCHENG。SHUANGYANSHIWUSHIYANWAIJIDEXIETONGYUNDONGSHIYIZHONGFUZADEJIROUXIEDIAOYUNDONG,YISHUANGYANSHUIPINGXIANGYUNDONGWEILI:DANGXIANGYOUFANGZHUSHISHI,YOUYANWAIZHIJIHEZUOYANNEIZHIJISHOUSUO,TONGSHIYOUYANNEIZHIJIHEZUOYANWAIZHIJISONGCHISHISHUANGYANXIANGYOUCEZHUANDONG,QIZHUANDONGJIAODUYAOBAOCHIXIANGDENG。SHANGXIAZHIJIHESHANGXIAXIEJIHAIYAOYOUYIDINGDEJINZHANGDUYIXIEZHUYANQIUZHUANDONGBINGWEICHIYANQIUDESHUIPINGZHUANGTAI。ZHEIYIGUOCHENGZHONGZAIYANQIUYUNDONGFANGXIANGQIQIANYINZUOYONGDEYIDUIYANJI(YOUYANWAIZHIJIHEZUOYANNEIZHIJI)CHENGPEIOUJI,ERYUZHEIDUIJIROUQIZHUYAODUIKANGZUOYONGDEYIDUIYANJI(YOUYANNEIZHIJIHEZUOYANWAIZHIJI)CHENGDUIKANGJI。DANGYANQIUXIANGCHUIZHIFANGXIANGYUNDONGSHI,YOUYUYOUDUOZUYANWAIJICANYUYUNDONG,GUBUDANYOUPEIOUJI,SHANGYOUXIETONGJIXIEZHUZUOYONGYUYUNDONGFANGXIANG,QIXIANGFANFANGXIANGYIYOUZHIJIEDUIKANGJIHEJIANJIEDUIKANGJI,SHIXIETONGYUNDONGGENGJIAFUZAHUA。GEFANGXIANGYANQIUYUNDONGDEPEIOUJIHEDUIKANGJIRUBIAO4SUOSHI。SHUANGYANYANWAIJIXIETONGYUNDONGZUNXUNLIANGTIAOGUILV:QIYIWEIYITIAOYANWAIJIDESHOUSUOBITONGSHIBANYOUTADEZHIJIEDUIKANGJIDESONGCHI,FOUZEYANQIUBUNENGLINGHUOZHUANDONG,CIGUILVCHENGWEISherringtonDINGLV。QIERWEIQIZIZHONGSHUSHENJINGXITONGSHIYANQIUZHUANDONGDESHENJINGCHONGDONG,YIDINGTONGSHIHEDENGLIANGDIDIDASHUANGYAN,FOUZESHUANGYANWUFAZHUSHITONGYIMUBIAO,CIGUILVCHENGWEIHeringDINGLV。YOUYUYANQIUYUNDONGDEZHEIXIEGUILVXING,CAIXINGCHENGLERENLEISHUANGYANDANSHIDEJICHU。

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皇冠即时比分  SHUANGYANDANSHIGONGNENGFENWEISANJI,KEYONGDUOBAOSHIDUOMEITISHIJUEJIANCHAXITONGHUOZHETONGSHIJIJIANCHA:

  DIYIJI:TONGSHISHI,SHIZHILIANGYANDUIWUXIANGYOUTONGSHIJIESHOUNENGLI,JIYONGDUOBAOSHIDUOMEITISHIJUEJIANCHAXITONGHUOZHETONGSHIJIJIANCHA,SHUANGYANNENGTONGSHIJIANDAOLIANGGEBUTONGERYOUXIANGGUANHUAMIANDETUXIANG。

  DIERJI:RONGHE,SHIZHIDANAONENGZONGHELAIZILIANGYANDEXIANGTONGWUXIANG,BINGZAIZHIJUESHUIPINGSHANGXINGCHENGYIGEWANZHENGYINXIANGDENENGLI。YONGDUOBAOSHIDUOMEITISHIJUEJIANCHAXITONGHUOZHETONGSHIJIJIANCHA,SHUANGYANNENGJIANGDABUFENXIANGTONG、XIAOBUFENBUXIANGTONGDETUXIANGKANCHENGWEIYIGETUXIANG。

  DISANJI:LITISHI,SHIZHISHUANGYANYOUSANDUKONGJIANZHIJUEDENENGLI。YONGDUOBAOSHIDUOMEITISHIJUEJIANCHAXITONGHUOZHETONGSHIJIJIANCHA,SHUANGYANNENGJIANGLIANGGEFENLIDEXIANGTONGDETUXIANGZONGHECHENGWEIYIGEYINQILITIGANJUEDETUXIANG。

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