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Trabeculotomy is a surgical procedure much
trabeculectomy. A piece of tissue in the eye's
drainage angle is removed to create an opening. This
new opening allows fluid (aqueous humor) to drain out of the eye.
Trabeculotomy is a surgery for children only.
After surgery, drops that tighten
(constrict) the pupil are used to keep the iris, the colored part of the eye,
from blocking the new opening.
Trabeculotomy is a good choice for
children who have
congenital glaucoma when the clear covering (cornea)
over the iris is cloudy.
For children, trabeculotomy or goniotomy
are preferred over trabeculectomy, because they are less invasive and less
likely to cause cataracts. They also do a better job of lowering eye pressure in children who have glaucoma.
Trabeculotomy is successful for more than 80 out of 100 children whose glaucoma was not present at birth.1
The most common problem after trabeculotomy is
scarring of the new opening in the eye. Scarring prevents fluid from draining
out of the eye. Other complications of surgery may include:
Some children with congenital
glaucoma need more than one surgery to control the high pressure in their eyes.
Surgery is more difficult
and less likely to be successful for children who have severe congenital
Medicines may still be needed to control
pressure in the eyes after surgery.
Complete the surgery information form (PDF)surgery information form (PDF)(What is a PDF document?) to help you prepare for this surgery.
Salim S, Walton D (2009). Goniotomy and trabeculotomy. In M Yanoff, JS Duker, eds., Ophthalmology, 3rd ed., pp. 1241–1245. Edinburgh: Mosby Elsevier.
February 28, 2012
Adam Husney, MD - Family Medicine & Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
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