Copenhagen 2016 Registration Programme Exhibitor Information Virtual Exhibition Satellite Meetings Glaucoma Day 2016 Hotel Star Alliance

10 - 14 Sept. 2016, Bella Center, Copenhagen, Denmark

This Meeting has been awarded 27 CME credits


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An innovative adjustable GDD for the treatment of glaucoma: report on the first clinical results of the eyeWatch

Poster Details

First Author: A. Mermoud SWITZERLAND

Co Author(s):    A. Villamarin   S. Roy   N. Stergiopulos              

Abstract Details


To report the first surgical cases of a continuously adjustable glaucoma drainage device (AGDD) in glaucoma surgery combined with seton tubes.


Tube surgeries are often followed with multiples post-operative complications including ocular hypo or hyper-tension, corneal decompensation, strabismus, bleb encapsulation. Glaucoma Center Montchoisi, Allinges, Lausanne, Switzerland


Prospective, mono-centric, clinical study. After conventional placement of a seton tube, the AGDD was inserted under a scleral flap through a paracenthesis. The implant is inserted into the anterior chamber using a 25G opening and after securing the device body, the device is connected to the drainage tube. A magnetic system allows opening or closing the system offering a precise adjustment of the intraocular pressure (IOP). During the entire postoperative follow-up, the IOP can be managed by adjusting the outflow resistance using the eyeWatch system, thus preventing the early postoperative hypotony. The main outcomes were mean IOP and postoperative complications.


5 patients were operated, with a mean follow-up of 4 ± 2 months, so far. The mean baseline IOP was 31.8±19.2 mmHg. For 4 patients, the adjustable GDD was placed under a scleral flap, while one patient, a scleral patch (Tutoplast) was placed above the device. The mean postoperative pressure after a week was 7.2±4.7 mmHg and after 3 months was 13.5±9.2.Only one patient is taking an anti glaucoma medication. None of the patients experienced complications so far.


The new adjustable GDD eyeWatch can be easily implanted during glaucoma surgery to better address the hypotony phase encountered after placement of a seton tube. The system allows for opening or closing the tube with a “tap-like” mechanism. Apart from offering a precise pressure control, the beak of the implant entering the anterior chamber has a much smaller diameter compared to the classic seton tubes. This should prevent the late corneal decompensation often seen after tube implantation.

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