How is a surgical iridectomy done?

Surgical iridectomy is a procedure performed by an ophthalmologist to create an opening (or keyhole-shaped pupil) in the iris. This is done when the pupil isn't large enough to allow adequate drainage of fluid from the eye, resulting in increased intraocular pressure and conditions like glaucoma.

Here's a general overview of the steps involved in a surgical iridectomy:

1. Preparation:

- The eye is thoroughly examined, and the patient's medical history is assessed to ensure the procedure is appropriate.

- Measurements are taken to determine the size and location of the iridectomy.

- The area around the eye is cleaned and sterilized to minimize the risk of infection.

- Anesthesia is administered, which may be local, regional, or general, depending on the patient's preference and the complexity of the case.

2. Creating the Iridectomy:

- Using a surgical microscope for precision, the surgeon creates a small incision in the cornea (the clear, front part of the eye) using a blade or a laser.

- Special surgical instruments are used to carefully grasp and lift the iris, exposing the underlying structures.

- A small piece of the iris is then gently excised, creating the desired opening or "keyhole" in the iris.

3. Completion and Post-Operative Care:

- Once the iridectomy is performed, the surgeon may use cautery or a laser to stop any bleeding and ensure proper healing.

- The corneal incision may be closed with fine sutures, which often dissolve on their own over time.

- Post-operative instructions are provided, which typically involve using eye drops, avoiding strenuous activities, and regular follow-up appointments to monitor the healing process.

Surgical iridectomy is generally a safe and successful procedure that can effectively lower intraocular pressure and improve vision in specific eye conditions. However, as with any surgery, there are potential risks and complications that should be discussed with an ophthalmologist before undergoing the procedure.