Type of Surgery

Information

Doctor Certified

Last updated: 02/17/2009

Aftercare

The patient will continue to be given antibiotics, corticosteroids, and miotics for one to two weeks after surgery. If the surgeon believes that the procedure was not successful, then he or she may give the patient acetazolamide by mouth in addition...

to these medications for up to 10 days to lower the IOP.

The patient will be anesthetized again three to six weeks after surgery for a reevaluation of the anterior chamber of the eye. This examination is repeated every three months for the first year; every six months during the second year; and once a year thereafter. Once the child is older, usually three to four years old, the physician can perform the follow-up examination in his or her office without anesthesia or sedation. Since a visual field test is difficult or impossible to do on an infant or young child, the doctor measures the cornea to assess progression of the disease. An increase in corneal diameter indicates that the glaucoma is getting worse. Visual field testing will be performed when the child is old enough to understand it. A visual field test can establish the extent of vision loss that has occurred because of glaucoma.

An important aspect of managing glaucoma patients after surgery is assessing the degree of nearsightness and astigmatism, both of which result from the stretching of the eye caused by increased intraocular pressure. If the child needs eyeglasses, they should be given as early in life as possible to decrease the probability of amblyopia. Amblyopia is a condition in which the vision cannot be corrected completely, even with glasses, and is common for pediatric glaucoma patients. Although almost 80% of children with congenital glaucoma can have their vision corrected to 20/50 or better, patching of an eye and vision therapy is often required to achieve this level of correction.

About 10% of goniotomy patients will experience a recurrence of the glaucoma or have it develop in the unaffected eye. As a result, the patient will need periodic eye examinations for the rest of his/her life. If glaucoma does recur later in life, then either medical or surgical treatment is instituted depending on the cause.



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Other Information

Goniotomy is a surgical procedure in which the doctor uses a lens called a goniolens to see the structures of the front part of the eye (anterior chamber). An opening is made in the trabecular meshwork, the group of tiny canals located in the drainage angle, where fluid leaves the eye. The new opening provides a way for fluid to flow out of the eye. Goniotomy is a surgery for children only.

Goniotomy is used to treat congenital glaucoma if the clear covering (cornea) over the iris, the colored part of the eye, is not cloudy.


From http://www.cigna.com/healthinfo/hw155311.html

Other Information

Surgeons aim for results of 20/20 or better so that you can perform most daily activities without your glasses. However, there is a possibility that after surgery, you may need to wear reading glasses or corrective lenses for at least some activities.


-Eye Surgery Education Council

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