眼底不好,是超高度近视,右眼1200度,左眼2150度,无法配镜。怎么办?
推荐回答(3个)
(一)玻璃体混浊是如何形成的?
一听到玻璃体混浊,许多人会以为这是一种眼病,其实玻璃体混浊不是一种病名,而是玻璃体本身或邻近组织病变导致的体征之一,引起玻璃体混浊的因素有很多,常见的有以下这些。
(1)炎性玻璃体混浊:玻璃体是无血管组织,玻璃体炎症都是周围组织炎症扩散而致。如虹膜睫状体炎、视网膜脉络膜病变。炎症组织的渗出物、炎性细胞、坏死组织及色素颗粒、吞噬细胞附着于玻璃体纤维组织而产生多种不同类型的混浊表现。
(2)外伤性玻璃体混浊:眼球钝挫伤、穿通伤常伴有眼内出血而引起混浊,眼内异物及继发感染亦导致混浊。
(3)玻璃体变性混浊:随着年龄的增长,玻璃体逐渐发生变性,表现为凝缩和液化。凝缩的部位密度高,可有絮状、丝状、无色透明的混浊物。液化部位玻璃体结构解体,形成充满液体的空隙。这种玻璃体混浊在高度近视及老年人更常见,多长期不变,不影响视力。
(4)闪辉性玻璃体液化:在玻璃体内见到结晶,光照后呈闪辉外观。结晶主要是胆固醇,也可为磷酸盐、酪氨酸等。这种混浊产生原因不明。
(5)雪状闪辉症:过去称为类星体玻璃体炎。在玻璃体腔内见到漂浮着无数白色球形或盘状小体,如天上繁星。多见于高血脂、糖尿病。
(6)出血性玻璃体混浊:视网膜、葡萄膜血管破裂出血流入并积聚于玻璃体腔内,造成了玻璃体出血。
(7)全身病与玻璃体混浊:一些热性病常合并玻璃体混浊。如流感、伤寒、流脑等,也有报道疟疾、回归热等可引起玻璃体混浊。肾炎、妊娠毒血症、糖尿病也可出现玻璃体混浊。
(8)其他:眼内肿瘤、玻璃体内寄生虫病、玻璃体视网膜退行病变也会引起玻璃体混浊。
(二)玻璃体浑浊的治疗:
生理性飞蚊症无需治疗。病理性混浊要针对原发病进行治疗。新鲜的玻璃体积血应卧床休息,应用止血药物。陈旧性出血者,应用促进混浊吸收的药物,如狄奥宁眼药水滴眼,口服维生素C、他巴唑等;肌注安妥碘或透明质酸酶。严重病例一般治疗无效者,可采用玻璃体切除术。
参考资料:www.chinaeye.com
超高度近视治疗有望
在众多近视眼患者中有一类称为“超高度近视”的患者,这是指近视度数在-12.00D(即一般所说1200度)以上,且在发展过程中会引起各种严重眼部并发症,如共斑出血、视网膜脱离等,故又称为“病理性近视”。这些患者以往只能通过配戴镜片很厚的眼镜或隐形眼镜来提高视力。近年来激光疗法在治疗高度近视方面,起了很好的作用。但并非每位高度近视患者都能接受激光治疗,特别是超高度近视。为了使高度近视患者得到更为有效、安全的治疗,现在又发展了一种称为“ICL”疗法,即将一片由特殊材料制成具有相应屈光度的镜片植入到患者眼内,以代替框架镜片或隐形眼镜,既可省却种种不便,又能避免激光对正常角膜的切削,使患者获得更满意的矫治效果。这项新疗法一经问世,即受到各国眼科专家和高度近视患者的重视。经过大量临床实践,“ICL”已被证实为二十一世纪最有前途的近视治疗方法之一。
浙江大学医学院附属第一医院浙益眼科中心的专家们于1996年5月在美国著名眼外科专家马丁博士的指导下在国内率先开展了这一新的疗法,迄今已为国内外近20名超高度近视患者成功地施行了ICL手术,获得令人鼓舞的效果。
2000.06.06
生活与健康
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