Thursday, October 8, 2015

OPHTHALMIC OPERATION 4 Iredectomy


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  Iris withdrawn through opening and cut.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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