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Viscogonioplasty in narrow angle glaucoma: a randomized controlled trial.
Deepali Varma1, Wendy Adams, Catey Bunce
1Sunderland Eye Infirmary, Queen Alexandra Road, Sunderland, Tyne and Wear, UK.
Clinical Ophthalmology (Auckland, N.Z.)
|December 31, 2010
Summary
Viscogonioplasty combined with cataract extraction significantly lowers intraocular pressure and reduces glaucoma medication needs in patients with narrow angle glaucoma compared to cataract surgery alone.
Area of Science:
- Ophthalmology
- Glaucoma Research
- Surgical Interventions
Background:
- Narrow angle glaucoma poses a significant risk for vision loss.
- Intraocular pressure (IOP) management is crucial in narrow angle glaucoma.
- Cataract extraction is a common procedure, but its effect on IOP in narrow angle glaucoma varies.
Purpose of the Study:
- To evaluate the efficacy of combining viscogonioplasty with cataract extraction for IOP reduction.
- To compare the outcomes of combined surgery versus cataract extraction alone in narrow angle glaucoma patients.
Main Methods:
- A double-masked randomized controlled trial was conducted with 50 eyes from 38 patients.
- Patients underwent phacoemulsification (cataract surgery) with or without viscogonioplasty.
- Intraocular pressure and glaucoma medication usage were primary outcome measures.
Main Results:
- The combined viscogonioplasty and cataract extraction group showed a significantly greater reduction in IOP at 12 months (13.7 mmHg) compared to controls (16.2 mmHg).
- Significantly more eyes in the combined group achieved control without antiglaucoma medications (52%) versus the control group (36%).
Conclusions:
- Viscogonioplasty combined with cataract extraction is more effective than cataract extraction alone in lowering IOP for narrow angle glaucoma.
- This combined approach should be considered a viable treatment option for managing poorly controlled narrow angle glaucoma.
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