Iridectomy
Objective
Excision of a segment of iris for:
• Cysts
removal
• Tumors
• Glaucoma
• Iris
prolapse.
Position
Supine.
Anesthesia
Local and retrobulbar injection.
Procedure
1. Insertion of an eye speculum.
2. Traction sutures of synthetic non-absorbable
or white silk.
3. A conjunctival flap is made to protect the
incision.
4. Fixation forceps on opposite site of incision.
5. Incision at limbus.
6. Closed iris forceps inserted.
7. Iris grasped.
8. Iris withdrawn through opening and cut.
9. Return iris.
10. Incision closed with suture.
Instruments
• Anterior segment set 1
• Iris
hook
• Iris
repositor (Bowman)
• Lacrimal
cannula with 2 ml syringe for irrigation (balanced sodium chloride solution)
• Towel
clips (Backhaus), 4
• 1
(4) Synthetic non-absorbable or silk on small half circle round bodied needle
for traction sutures
• 0.5
(8/0) Synthetic nonabsorbable or silk on small curved cutting needle for
conjunctival sutures
• Eye
specula
• Razor
blade fragment holder
• Micro
forceps (Fig. 14.46)
• Eye
scissors (De Wecker) (Fig. 14.47).
Any questions be sent to drmmkapur@gmail.com
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