What is laser iridotomy?
Laser iridotomy is a treatment for narrow-angle glaucoma. In laser iridotomy, a small hole is placed in the iris to create a hole for fluid to drain from the back of the eye to the front of the eye.
What is a Cyclodestructive procedure?
In cyclodestructive procedures, the secretory epithelium of the ciliary epithelium is damaged, which leads to reduced aqueous humor secretion and lower IOP. Because the ciliary epithelium can regenerate, multiple treatments are necessary in some patients to achieve the desired long term IOP lowering effect.
Is laser iridotomy painful?
Laser Iridotomy Surgery is Nearly Painless Many people are concerned about possible pain and side effects of laser iridotomy. Generally speaking, the procedure is nearly painless. Your eye is anesthetized with numbing eye drops, and a small lens is placed on the surface of the eye to help focus the laser.
What is endoscopic Cyclophotocoagulation?
Endoscopic cyclophotocoagulation (ECP) is a cyclodestructive procedure developed by Martin Uram in 1992. It functions to minimize the disadvantages of more traditional cyclodestructive procedures while maximizing the advantage of ablating the ciliary body epithelium to decrease intraocular pressure (IOP).
What is Cyclophotocoagulation diode laser?
Diode Cyclophotocoagulation (CPC) is recommended for patients with refractory glaucoma to reduce aqueous humor secretion and lower IOP by lasering the secretory epithelium of the ciliary body.
Is iridotomy permanent?
The opening created during laser iridotomy is usually permanent, but follow-up laser treatments may be required.
What is cyclocryotherapy (CCT)?
Cyclocryotherapy is a procedure of last resort in glaucoma patients. When all other therapies available to the patient have failed, CCT is considered, especially if the patient’s vision is poor, i.e., less than 20/200, since there is a high risk of vision loss associated with this procedure.
What is cyclophotocoagulation and how does it work?
In one type of cyclophotocoagulation, a fiberoptic laser endoscope is passed into the eye to help the surgeon visualize the interior of the eye. The energy of a laser passes through the endoscope and destroys the ciliary body directly.
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How is a cryoprobe used in cyclocryotherapy?
For cyclocryotherapy, the patient’s eyelids are first retracted (A). A cryoprobe is applied to the outside of the eyeball in the area surrounding the iris (B). The probe freezes ciliary bodies in 50-60 seconds.