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白内障吸取术前充分散大瞳孔,对于完全吸净晶体物质及减少术中吸着虹膜等术中术后1并发症十分重要。很多实验资料证明,前房穿刺及虹膜外伤会引起前列腺素(Prostaglandin)在眼内合成及释出,结果发生阿托品不能对抗的瞳孔缩小、充血及血—房水屏障的破坏,后者可致房水蛋白含量增加。在人眼多种色素膜炎时亦可见有高浓度的前列腺素。消炎痛及阿司匹林可以抑制前列腺素的合成,但不能对抗其作用。作者在先天性,併发性及外伤性白内障术前均用0.5%tropicanide(托品
Cataract surgery full preoperative pupil dilatation, for the net absorption of crystal material and reduce intraoperative absorption of iris surgery and other intraoperative complications is very important. Many experimental data show that anterior chamber puncture and iris trauma can cause prostaglandin (Prostaglandin) in the eye synthesis and release, resulting in atropine can not fight the pupil, congestion and blood - water barrier damage, which can cause room Water protein content increased. In the human eye a variety of pigment inflammation can also be seen when high concentrations of prostaglandins. Indomethacin and aspirin can inhibit prostaglandin synthesis, but can not fight its effect. The authors used congenital, congenital and traumatic cataract surgery were preoperative 0.5% tropicanide (care products