Long-term effects of non-penatrating trabecular surgery treating glaucoma

Abstract

Objective To evaluate the long-term clinical effect of non-penetrating trabecular surgery (NPTS)for the treatment of primary open angle glaucoma(POAG). Methods A total of 46 patients(46 eyes) with POAG were observed retrospectively. 22 eyes and 24 eyes uderwent non-penetrating trabecular surgery (NPTS) and trabeculectomy surgery(TS). Intraocular pressure (IOP), filtration bleb and visual field were ob-served. Results ①In the follow-up of 50 month, there was a significant hypertendency in post-operative intraoc-ular pressure in NPTS group. The IOP was controlled successfully in 5 eyes(22. 73%) ,and 7 eyes(31.82%) were failure in NPTS group. 11 eyes(45.83%) were success,4 eyes(16. 67%) were failure in TS group, but there were no statistically significant differences between two groups(P > 0. 05). ②The ratio of sustained filtra-tion bleb of TS group after surgery is 100% ,the ratio of sustained filtration bleb of NPTS group after surgery is 15 (68.18%), while 3 eyes(13.64%)were flat filtrtion hleb. From the time passing by, there were statistically significant differences in the disappearance number of filtration bled between two groups (P 0.05). Conclusion Long-term effects of non-penatrating trabecular surgery treating glaucoma were indefinite in some cases. It is very im-portant to choose the suitable surgery to gain high success rate. Key words: Trabecula; Micrurgy; Non-penetrating; Glaucoma