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sanguangshiyanjingdeyizhongchangjianquguangbuzhengxianxiang，tongchangyouyujiaomohuojingzhuangtidexingzhuangbuguizesuodaozhi。sanguanghuanzhedeshilimohu，tongchangbunengqingchudikandaowutidexijie，tebieshizaiyuanjinjulishangdouhuigandaoshijiaobushi。yinci，lejiesanguangdejiaozhengfangfaduiyugaishanshiliyouweizhongyao。shouxian，sanguangdejiaozhengkeyitongguopeidaiyanjinglaishixian。sanguangyanjingdejingpianjingguotebiesheji，nenggouzhenduibutongfangxiangdeguangxianjinxingxiuzheng。zhexiejingpiantongchanghuibeibiaozhuwei“sanguangjingpian”huo“yuanzhujingpian”，tamenzaitedingdefangxiangshangjuyoubutongdequguangdu，congerbangzhuyanjingjujiao。xuanzeheshideyanjingbujinkeyigaishanshili，hainenghuanjieyanjingpilaohetoutongdengzhengzhuang。yinci，dingqiquyankejinxingshilijianzha，binggenjuxuyaogenghuanyanjingshifeichangzhongyaode。qici，yinxingyanjingyeshijiaozhengsanguangdeyizhongyouxiaofangfa。rujinshimianshangyouzhuanmendesanguangyinxingyanjing，zhexiejingpiandeshejikeyitiehejiaomodexingzhuang，quebaojingpianzaipeidaishibuhuiyiwei，congerbaochilianghaodeshijiaoxiaoguo。yuyanjingxiangbi，yinxingyanjingdeyoushizaiyutamennenggoutigonggengguangkuodeshiye，bushoukuangjiaxianzhi，qiezaiyundongshigengjiabianli。chuleyanjingheyinxingyanjing，jiguangjiaozhengshoushuyeshiyizhongyouxiaodesanguangjiaozhengfangfa。tongguojiguangjishu，yishengkeyiduijiaomojinxingreshaping，congerjiuzhengyusanguangxiangguandequguangbuzheng。zhezhongshoushutongchangshiyongyujiaomohouduzugouqienianlingmanzuyaoqiudehuanzhe。shuhouhuifushijianjiaoduan，xu散(san)光(guang)是(shi)眼(yan)睛(jing)的(de)一(yi)种(zhong)常(chang)见(jian)屈(qu)光(guang)不(bu)正(zheng)现(xian)象(xiang)，(，)通(tong)常(chang)由(you)于(yu)角(jiao)膜(mo)或(huo)晶(jing)状(zhuang)体(ti)的(de)形(xing)状(zhuang)不(bu)规(gui)则(ze)所(suo)导(dao)致(zhi)。(。)散(san)光(guang)患(huan)者(zhe)的(de)视(shi)力(li)模(mo)糊(hu)，(，)通(tong)常(chang)不(bu)能(neng)清(qing)楚(chu)地(di)看(kan)到(dao)物(wu)体(ti)的(de)细(xi)节(jie)，(，)特(te)别(bie)是(shi)在(zai)远(yuan)近(jin)距(ju)离(li)上(shang)都(dou)会(hui)感(gan)到(dao)视(shi)觉(jiao)不(bu)适(shi)。(。)因(yin)此(ci)，(，)了(le)解(jie)散(san)光(guang)的(de)矫(jiao)正(zheng)方(fang)法(fa)对(dui)于(yu)改(gai)善(shan)视(shi)力(li)尤(you)为(wei)重(zhong)要(yao)。(。)首(shou)先(xian)，(，)散(san)光(guang)的(de)矫(jiao)正(zheng)可(ke)以(yi)通(tong)过(guo)配(pei)戴(dai)眼(yan)镜(jing)来(lai)实(shi)现(xian)。(。)散(san)光(guang)眼(yan)镜(jing)的(de)镜(jing)片(pian)经(jing)过(guo)特(te)别(bie)设(she)计(ji)，(，)能(neng)够(gou)针(zhen)对(dui)不(bu)同(tong)方(fang)向(xiang)的(de)光(guang)线(xian)进(jin)行(xing)修(xiu)正(zheng)。(。)这(zhe)些(xie)镜(jing)片(pian)通(tong)常(chang)会(hui)被(bei)标(biao)注(zhu)为(wei)“(“)散(san)光(guang)镜(jing)片(pian)”(”)或(huo)“(“)圆(yuan)柱(zhu)镜(jing)片(pian)”(”)，(，)它(ta)们(men)在(zai)特(te)定(ding)的(de)方(fang)向(xiang)上(shang)具(ju)有(you)不(bu)同(tong)的(de)屈(qu)光(guang)度(du)，(，)从(cong)而(er)帮(bang)助(zhu)眼(yan)睛(jing)聚(ju)焦(jiao)。(。)选(xuan)择(ze)合(he)适(shi)的(de)眼(yan)镜(jing)不(bu)仅(jin)可(ke)以(yi)改(gai)善(shan)视(shi)力(li)，(，)还(hai)能(neng)缓(huan)解(jie)眼(yan)睛(jing)疲(pi)劳(lao)和(he)头(tou)痛(tong)等(deng)症(zheng)状(zhuang)。(。)因(yin)此(ci)，(，)定(ding)期(qi)去(qu)眼(yan)科(ke)进(jin)行(xing)视(shi)力(li)检(jian)查(zha)，(，)并(bing)根(gen)据(ju)需(xu)要(yao)更(geng)换(huan)眼(yan)镜(jing)是(shi)非(fei)常(chang)重(zhong)要(yao)的(de)。(。)其(qi)次(ci)，(，)隐(yin)形(xing)眼(yan)镜(jing)也(ye)是(shi)矫(jiao)正(zheng)散(san)光(guang)的(de)一(yi)种(zhong)有(you)效(xiao)方(fang)法(fa)。(。)如(ru)今(jin)市(shi)面(mian)上(shang)有(you)专(zhuan)门(men)的(de)散(san)光(guang)隐(yin)形(xing)眼(yan)镜(jing)，(，)这(zhe)些(xie)镜(jing)片(pian)的(de)设(she)计(ji)可(ke)以(yi)贴(tie)合(he)角(jiao)膜(mo)的(de)形(xing)状(zhuang)，(，)确(que)保(bao)镜(jing)片(pian)在(zai)佩(pei)戴(dai)时(shi)不(bu)会(hui)移(yi)位(wei)，(，)从(cong)而(er)保(bao)持(chi)良(liang)好(hao)的(de)视(shi)觉(jiao)效(xiao)果(guo)。(。)与(yu)眼(yan)镜(jing)相(xiang)比(bi)，(，)隐(yin)形(xing)眼(yan)镜(jing)的(de)优(you)势(shi)在(zai)于(yu)它(ta)们(men)能(neng)够(gou)提(ti)供(gong)更(geng)广(guang)阔(kuo)的(de)视(shi)野(ye)，(，)不(bu)受(shou)框(kuang)架(jia)限(xian)制(zhi)，(，)且(qie)在(zai)运(yun)动(dong)时(shi)更(geng)加(jia)便(bian)利(li)。(。)除(chu)了(le)眼(yan)镜(jing)和(he)隐(yin)形(xing)眼(yan)镜(jing)，(，)激(ji)光(guang)矫(jiao)正(zheng)手(shou)术(shu)也(ye)是(shi)一(yi)种(zhong)有(you)效(xiao)的(de)散(san)光(guang)矫(jiao)正(zheng)方(fang)法(fa)。(。)通(tong)过(guo)激(ji)光(guang)技(ji)术(shu)，(，)医(yi)生(sheng)可(ke)以(yi)对(dui)角(jiao)膜(mo)进(jin)行(xing)r(r)e(e)s(s)h(h)a(a)p(p)i(i)n(n)g(g)，(，)从(cong)而(er)纠(jiu)正(zheng)与(yu)散(san)光(guang)相(xiang)关(guan)的(de)屈(qu)光(guang)不(bu)正(zheng)。(。)这(zhe)种(zhong)手(shou)术(shu)通(tong)常(chang)适(shi)用(yong)于(yu)角(jiao)膜(mo)厚(hou)度(du)足(zu)够(gou)且(qie)年(nian)龄(ling)满(man)足(zu)要(yao)求(qiu)的(de)患(huan)者(zhe)。(。)术(shu)后(hou)恢(hui)复(fu)时(shi)间(jian)较(jiao)短(duan)，(，)许(xu)