糖尿病视网膜病变,不要让血糖毁了你的眼睛,该如何有效预防?
推荐回答(1个)
根据中华医学会糖尿病分会2018年发布的《糖尿病视网膜病变防治专家共识》的介绍,在中国大陆的糖尿病患者中,糖尿病视网膜病变的患病率为23%。差不多每4名确诊的糖尿病患者中,就有一名发生了糖尿病视网膜病变。很多患者认为,只有当视力明显下降了,才能证明自己得了这种并发症。其实不然,80%以上的糖尿病视网膜病变都处于“非增殖期”,这个阶段的视网膜病变大都不会引起任何视力上的改变。
尽管如此,我们也需要积极治疗“非增殖期””的视网膜病变,不然的话就会发展为“增殖期”,这些患者是有失明危险的。“非增殖期”的糖尿病视网膜病变,又称为背景性视网膜病变,这个阶段的病变是比较容易控制的,治疗措施得当还有恢复的可能。糖尿病视网膜病变往往还是较早发生的一类糖尿病并发症,控制好了还能降低其他并发症的发病。早发现、早治疗,是防治糖尿病视网膜病变的关键措施。
糖尿病视网膜病变,比较多发于糖尿病病程较长、血糖控制不佳、身体肥胖,合并患有高血压或高脂血症的患者身上;有吸烟习惯的糖尿病患者,也比较容易发生糖尿病视网膜病变。注意眼部卫生、防止强光照射以及注意佩戴防紫外线眼镜等“护眼”措施,固然是预防眼部疾病的通行做法。但对防治糖尿病视网膜病变来说,是远远不够的。按照《糖尿病视网膜病变防治专家共识》的建议,定期参加眼底筛查才是最可靠的措施:
1、对于12岁以下的1型糖尿病患者来说,满12岁就要接受第一次的眼底筛查;
2、大于12岁发病的1型糖尿病患者,在发病的5年内需要接受第一次的眼底筛查;
3、对于所有2型糖尿病患者来说,确诊后就要尽快接受第一次的眼底筛查;
4、此后,1型糖尿病患者每年接受一次复查;2型糖尿病患者至少每两年接受一次复查;
5、发现糖尿病视网膜病变的患者,需要按医生建议缩短筛查的间隔时间。
参加眼底筛查,是防治糖尿病视网膜病变的第一步,即做到了早发现。关于早治疗的问题,很多患者关心的是:有没有什么好的药品啊?其实,目前治疗糖尿病视网膜病变的药物,都是一些改善视网膜微循环的药物,有效果但不能彻底解决问题。早治疗的关键,还在于控制好“三高”指标:
1、血糖,糖化血红蛋白指标至少要降到7%以下,最好能够低于6.5%;餐后2小时血糖也很重要,至少降到11.1mmol/L以下,最好能够低于7.8mmol/L;
2、血压,糖尿病患者的降压目标,应该低于130/80mmHg;
专家们都说:“治疗糖尿病视网膜病变的关键不在护眼,而在于积极地控制血糖、血压和血脂。” 只要能够做到早发现和早治疗,绝大多数糖尿病患者的视网膜病变都是可以预防的;即使已经发现了视网膜病变的迹象,也能有效控制病情的进展。
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