白内障的病因和发病机制

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白内障是眼科常见病、多发病,是当前致盲的首位病因。据 WHO 估计,全世界因白内障致盲的患者约1700万,国内也在500万以上,如果加上白内障所致的低视力患者,则人数更多。白内障不仅给患者带来痛苦,对家庭、国家也是沉重负担,但完全可以通过手术来恢复光明。近十多年来,白内障手术治疗有了划时代的进展,特别是显微手术的开展和人工晶体植入,明显地提高了疗效,但由于各种原因,能享受到这种治疗的患者所占比例还很小。在药物治疗中,虽然国内外不断推出新药,但至今还没有一种被临床学家认为有确切疗效。因此,白内障的防治仍然是一项极待解决的大课题,多年来一直是我国三项残疾防治中的首要任务。基于上述原因,我刊组织了这次专题笔谈,希望大家都来关心和重视,不失时机地为患者提供治疗机会,把光明还给他们。 Cataract is a common eye disease, frequently-occurring disease, is the first cause of blindness. According to WHO estimates, about 17 million patients are suffering from cataract in the world and more than 5 million in the country. If the number of people with low vision due to cataracts is greater, the number is even higher. Cataracts not only bring pain to patients, but also a heavy burden on families and countries, but they can be completely rescued by surgery. Over the past decade or so, there have been epoch-making advances in the surgical treatment of cataract. In particular, the development of microsurgery and intraocular lens implantation have obviously improved the curative effect. However, due to various reasons, patients who can enjoy this treatment account for The proportion is still small. In drug therapy, although new drugs are being introduced at home and abroad, so far no one has been clinically proven to have the exact effect. Therefore, the prevention and treatment of cataract is still a major issue to be solved. For many years, it has been the primary task in the prevention and treatment of three disasters in our country. Based on the above reasons, I organized this special issue pen to express my hope that all of you would care for and pay attention to it, seize the opportunity to provide patients with opportunities for treatment and give them back the light.
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