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张嘉译怎样评价闫妮

书名:高今年考数学题|作者:笑无语|本书类别:古言|更新时间:00:40:15|字数:3896字

????干眼症不能乱滴眼药水(名医讲堂·老年视力健康⑤)  ■很多眼药水里含有缩血管抗炎的激素类成分或者防腐剂,长期使用会造成眼睛的药物性损伤  ■如果有眼干、眼痒、异物感、烧灼感、容易疲劳、容易流泪等症状,应及时到医院就诊,找到病因,针对性地用药治疗  干眼症是老人最常见的眼表疾病之一,可以说是“十老九干”。引发老年人干眼症的原因很多,常见原因有:睑板腺功能障碍;绝经、糖尿病、风湿免疫系统疾病等全身疾病;其他眼表面疾病;长时间高强度用眼等。

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????  睑板腺是上下眼皮内部分泌油脂的腺体,开口在眼皮边缘的睫毛根部,它们分泌的油脂是泪水的保护膜,可以保护泪水,保证泪水在眼表储存的时间,不至于过快蒸发。随着年龄增长,这些腺体功能逐渐衰退,油脂可能会淤积在腺管内,无法正常分泌排出,腺管结构也会逐渐变形,最终功能完全丧失,腺体萎缩。研究证实,中老年女性绝经后激素水平的改变会导致泪液分泌量下降,泪液成分也质量欠佳,所以中老年女性干眼的症状更加明显。  中老年人眼部发生的结构、功能退化疾病,也可能改变眼表面的正常生理环境,导致泪液不能及时或均匀地涂布在眼睛表面,常见的有眼睑内外翻、倒睫、结膜松弛症、翼状胬肉等。  老年人下眼皮外翻导致泪水无法进入泪道开口,影响泪液从泪道正常排出,以致泪水直接从眼皮外溢、下睑湿疹。而不正确的拭泪方式又会加重眼皮的外翻,最终眼表没有充分泪水润滑,一边流泪,一边眼干。有的是下眼皮内翻。向内卷的睫毛刺激黑眼球及白眼球表面的结膜,引起异物感、流泪、眼部炎症,破坏眼表覆盖的泪液保护膜,出现各种原因共同导致的干眼。  长时间高强度用眼,眨眼减少,很容易加重干眼症状。比如,从早到晚看电视节目或手机;一刻不停地织毛衣做针线活;沉迷于麻将无法自拔等。  很多中老年人喜欢自己在药店买眼药水滴,一些广告中介绍的网红眼药水颇受追捧。其实,很多眼药水里含有缩血管抗炎的激素类成分或者防腐剂,长期使用会造成眼睛的药物性损伤,严重影响视觉健康。  建议老年人平时不要躺着看书,不要边走边看,坐车时也不要看书,看书或电子屏幕一般每小时要起来活动一次,或眺望远方,或闭目养神。应多吃含有较多纤维素、胡萝卜素和维生素A、维生素C的蔬菜、水果。如果有眼干、眼痒、异物感、烧灼感、容易疲劳、容易流泪等症状,应及时到医院就诊,找到病因,针对性地用药治疗。  (作者为北京大学人民医院住院医师) 徐 琼徐 琼

   jian ban xian shi shang xia yan pi nei bu fen mi you zhi de xian ti, kai kou zai yan pi bian yuan de jie mao gen bu, ta men fen mi de you zhi shi lei shui de bao hu mo, ke yi bao hu lei shui, bao zheng lei shui zai yan biao chu cun de shi jian, bu zhi yu guo kuai zheng fa. sui zhe nian ling zeng zhang, zhei xie xian ti gong neng zhu jian shuai tui, you zhi ke neng hui yu ji zai xian guan nei, wu fa zheng chang fen mi pai chu, xian guan jie gou ye hui zhu jian bian xing, zui zhong gong neng wan quan sang shi, xian ti wei suo. yan jiu zheng shi, zhong lao nian nv xing jue jing hou ji su shui ping de gai bian hui dao zhi lei ye fen mi liang xia jiang, lei ye cheng fen ye zhi liang qian jia, suo yi zhong lao nian nv xing gan yan de zheng zhuang geng jia ming xian.   zhong lao nian ren yan bu fa sheng de jie gou gong neng tui hua ji bing, ye ke neng gai bian yan biao mian di zheng chang sheng li huan jing, dao zhi lei ye bu neng ji shi huo jun yun di tu bu zai yan jing biao mian, chang jian de you yan jian nei wai fan dao jie jie mo song chi zheng yi zhuang nu rou deng.   lao nian ren xia yan pi wai fan dao zhi lei shui wu fa jin ru lei dao kai kou, ying xiang lei ye cong lei dao zheng chang pai chu, yi zhi lei shui zhi jie cong yan pi wai yi xia jian shi zhen. er bu zheng que de shi lei fang shi you hui jia chong yan pi de wai fan, zui zhong yan biao mei you chong fen lei shui run hua, yi bian liu lei, yi bian yan gan. you de shi xia yan pi nei fan. xiang nei juan de jie mao ci ji hei yan qiu ji bai yan qiu biao mian di jie mo, yin qi yi wu gan liu lei yan bu yan zheng, po huai yan biao fu gai de lei ye bao hu mo, chu xian ge zhong yuan yin gong tong dao zhi de gan yan.   zhang shi jian gao qiang du yong yan, zha yan jian shao, hen rong yi jia zhong gan yan zheng zhuang. bi ru, cong zao dao wan kan dian shi jie mu huo shou ji yi ke bu ting di zhi mao yi zuo zhen xian huo chen mi yu ma jiang wu fa zi ba deng.   hen duo zhong lao nian ren xi huan zi ji zai yao dian mai yan yao shui di, yi xie guang gao zhong jie shao de wang hong yan yao shui po shou zhui peng. qi shi, hen duo yan yao shui li han you suo xue guan kang yan de ji su lei cheng fen huo zhe fang fu ji, chang qi shi yong hui zao cheng yan jing de yao wu xing sun shang, yan chong ying xiang shi jue jian kang.   jian yi lao nian ren ping shi bu yao tang zhe kan shu, bu yao bian zou bian kan, zuo che shi ye bu yao kan shu, kan shu huo dian zi ping mu yi ban mei xiao shi yao qi lai huo dong yi ci, huo tiao wang yuan fang, huo bi mu yang shen. ying duo chi han you jiao duo xian wei su hu luo bo su he wei sheng su A wei sheng su C de shu cai shui guo. ru guo you yan gan yan yang yi wu gan shao zhuo gan rong yi pi lao rong yi liu lei deng zheng zhuang, ying ji shi dao yi yuan jiu zhen, zhao dao bing yin, zhen dui xing di yong yao zhi liao.   zuo zhe wei bei jing da xue ren min yi yuan zhu yuan yi shi xu qiong xu qiong

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