Table 1.

Inclusion and exclusion criteria

Inclusion criteria

Patients with primary open-angle glaucoma refractory to anti-glaucoma medications

Glaucoma patients’ who referred to their first trabeculectomy surgery in this eye

Patient without other intraocular diseases that may increase the IOP

Male or female of any race, at least 18 years of age

Has provided verbal and written informed consent

Exclusion Criteria

Patients with primary open-angle glaucoma which is end-stage disease

Patient who underwent trabeculectomy surgery in the same eye in the past

Patient who underwent laser trabeculoplasty

Patient with other intraocular disease that may increase the IOP

Patient with a history of ocular conditions that may affect the eye angle’s anatomic organs

Pregnant women

Male or female younger than 18 years of age