激光治疗近视 效果有多好,我200多度,不想带眼睛,但是我的工作整天对着电脑,希望有经验的人给我点建议
推荐回答(4个)
从光学的角度讲,近视形成是因为晶状体(相当于凸透镜)曲度过大,导致物象成在视网膜前,到达视网膜的只是模糊的光斑。
近视手术原理就是通过激光使眼角膜表面变平,使外界光线能够准确在视网膜上汇聚成像,达到矫治近视的目的。
简单说,近视手术就是通过激光切削眼角膜改变屈光度来治疗近视。近视手术是要在角膜的不可再生层—基质层打激光,使之平滑,而基质层是在眼膜的中间,所以在打激光之前要先切开眼膜瓣。现在医院有很多种近视手术方式,区别就是在切眼膜瓣这个程序上,一般的准分子激光手术是用板层刀切开眼膜瓣,而飞秒激光(原理是利用飞秒激光的瞬时功率密度达到或超过特定的阈值时,被照射组织就会因多光子吸收效应形成等离子体,极小范围内的能量剧增,产生等离子体微爆破效应,并形成一定程度的冲击波。这种微爆破效应使得各爆破点连成线,线又接成面从而达到极其精密的组织切割效应)是用激光来打开眼膜,再用激光切削眼膜的基质层,最后盖上角膜瓣就算完成。
近视手术不会出现你说的远视的后遗症,但会出现眩光,夜间视力差得情况,这种后遗症跟你选择的近视手术方式和医院有关。详细不细说,如果你要想做最安全得近视手术,建议你做美国的Intralase宇航飞秒激光,这种是现在国内唯一的全激光飞秒近视手术(网上说的达芬奇飞秒其实还是会用到板层刀),这种设备做的角膜接近原态,术后视觉效果非常好。价格国外一般3-5万,国内沿海地方大概15000元左右,成都最便宜有家专业的眼科医院只要9000多块钱,你可以了解下,全国能做Intralase飞秒的医院不多。
但是你200多度其实不用做手术,近视不是很深,先把眼镜取了不要戴,适应段时间说不定近视慢慢就好了,我们有个同事就是这么的。
视力处于进行性下降的阶段或工作性质经常接触视屏或近距离文案工作,都不适合手术治疗,毕竟近距离用眼疲劳是造成视力下降的主要诱因,除了养成良好的用眼习惯,配合针对性的治疗防护方式至关重要,不妨到空间了解相关治疗方法,希望对你有所帮助。
建议你这么低的度数不要做,激光手术就是将角膜削薄,一般500度以上做比较好,另外,不知你有没有做过术前检查,每个人的角膜状况不同,不是所有人都适合做这个手术的,还有,不知你平时戴不戴隐形眼镜,一般做激光手术前半年,是不能戴隐形眼镜的。不过,我身边的有个朋友,之前九百多度,做完了效果不错,现在大概有两年多了,一直没什么变化。
虽说对于近视有一定的作用!它使用激光把晶状体突出的部分切掉,从而治疗近视!但肯定还是会有副作用啊!最好的办法哈市保持良好的姿势!
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