The purpose of the study was to evaluate the intermediate-term outcomes of Aurolab aqueous drainage implant (AADI) in terms of intraocular pressure (IOP) lowering from baseline levels, the number antiglaucoma medications (AGMs) in the postoperative phase, and the rate of complications.
It was a retrospective interventional case series. All patients who underwent AADI surgeries with sulcus fixation from March 2018 to September 2018 at a tertiary eye care hospital in North India with a minimum follow-up of 1 year were recruited for the study. A standard AADI technique was employed. The primary outcome measures were the postoperative IOP, the requirement of AGMs, and early and late postoperative complications.
A total of 20 patients were recruited in the study. The mean follow-up period was 25.25 ± 3.76 months. The mean IOP reduced from 33.20 ± 7.95 mmHg to 19.45 ± 9.19 mmHg at day 1, 13.62 ± 3.92 mmHg at 6 months, 12.78 ± 3.36 mmHg at 1 year, and 13.0 ± 2.53 mmHg at 2 years postoperatively ( < 0.001). The mean number of AGMs also reduced from 3.7 ± 0.97 to 0.35 ± 0.81 at 6 months, 0.42 ± 0.83 at 1 year, and 0.26 ± 0.73 at 2 years postoperatively ( < 0.001). Early postoperative complications, such as hypotony and hyphema, were seen in 5 (25%) patients, although none of them was sight-threatening. Late postoperative complications, such as hypertensive phase and persistent fibrinous membrane, were also seen in five eyes.
The study assessed the clinical outcomes, safety profile, and long-term AGM requirement with AADI and found it to be a good viable surgical option in refractory glaucoma.

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