Iridectomy

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Iridectomy (pronounced: ir-i-DEK-tuh-mee) is a surgical procedure that involves the removal of a portion of the iris, which is the colored part of the eye. This procedure is typically performed to treat certain eye conditions, such as glaucoma and melanoma of the iris.

Etymology

The term "iridectomy" is derived from the Greek words "iris" (meaning rainbow) and "ektome" (meaning excision).

Procedure

During an iridectomy, the surgeon makes a small incision in the cornea or the sclera of the eye. A tiny piece of the iris is then removed, which can help to reduce intraocular pressure or remove a tumor. The procedure is usually performed under local anesthesia.

Types of Iridectomy

There are two main types of iridectomy: peripheral and sectoral. A peripheral iridectomy involves removing a small piece of the iris at its outer edge, near the sclera. This is often done to prevent or treat angle-closure glaucoma. A sectoral iridectomy, on the other hand, involves removing a sector, or pie-shaped piece, of the iris. This is often done to remove a tumor.

Related Terms

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