The purpose of this study is to assess the relative effectiveness and safety of diode laser cyclophotocoagulation procedure to reduce IOP and relieve pain in adult patients with refractory glaucoma.

A hospital -based, prospective interventional non comparative case series study.This study will be conducted on patients with refractory glaucoma whose ages are 18 years and older.They will be subjected to Transscleral Diode Laser Cyclophotocoagulation.

Postoperative evaluation will be scheduled for the first day postoperative, then 1 week later and then at 1st, 3rd, month postoperative.

Inclusion Criteria:

• Inclusion Criteria:

  1. Patients with refractory glaucoma aging 18 years and older.
  2. Both sexes are included.
  3. Patients Capable of giving informed consent.
  4. Pseudophkic glaucoma.
  5. Aphakic glaucoma.
  6. Silicon oil induced glaucoma.
  7. Neovascular glaucoma.
  8. Inflammatory glaucoma.

Exclusion Criteria:

1. Patients <18 years of age.
2. Patients controlled on regular antiglaucomatous therapy.
3. Patients who cannot do regular follow up visits.
4. Diffuse scleral staphyloma at the site of CPC.