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Results of cataract facoemulsification after ahmed valve drainage implantation

Poster Details

First Author: I.Khusnitdinov RUSSIA

Co Author(s):    M. Bikbov   O. Chayka           

Abstract Details


To study the effectiveness and frequency of cataract phacoemulsification complications after implantation of Ahmed drainage.


Ufa Eye Research Institute, Ufa, Russia


Phacoemulsification of complicated cataract was performed in 25 patients in 3-36 months after previous surgery for refractory glaucoma with implantation of Ahmed drainage. By the time of phacoemulsification IOP in all patients equaled 22-29 mm Hg, corrected visual acuity - 0.02 - 0.08. In order to reduce IOP Ahmed valve drainage was rinsed with saline via 26G cannula.


The main tunnel incision was shifted by 2-3 mm into the nasal or temporal side from the tube of the drainage to prevent obturation of the drainage tube by lens masses. After surgery, visual acuity improved to 0.07 in 6 eyes, 0.2 - 4 eyes. IOP decrease by 2-5 mm Hg from the initial level was observed in all patients. In all cases IOP in the early postoperative period did not exceed 22 mm Hg. At later times (from 6 months to 1 year) hypertension was observed in 3 patients. It was compensated by the appointment of local antihypertensive therapy.


Cataract phacoemulsification in patients with refractory glaucoma after implantation of Ahmed valve drainage contributes to improvement of visual function with simultaneous compensation of intraocular pressure.

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