This study is currently recruiting participants.
The purpose of the Primary Tube Versus Trabeculectomy (PTVT) Study is to compare the long-term safety and efficacy of nonvalved tube shunt surgery to trabeculectomy with mitomycin C in eyes that have not had previous ocular surgery.
- Age 18-85 years
- Glaucoma that is inadequately controlled on tolerated medical therapy with IOP greater than or equal to 18 mm Hg and less than or equal to 40 mm Hg
- No previous incisional ocular surgery