Canthotomy
Canthotomy
Canthotomy (pronounced: kan-thot-uh-mee) is a surgical procedure that involves the cutting of the canthus, usually the lateral canthus, to enlarge the eye opening. This procedure is often performed in emergency situations to relieve intraocular pressure in cases of orbital compartment syndrome.
Etymology
The term "canthotomy" is derived from the Greek words "kanthos" meaning corner of the eye, and "tome" meaning cutting.
Procedure
A canthotomy is typically performed under local anesthesia. The surgeon uses a scalpel to make an incision in the lateral canthus, the outer corner of the eye where the upper and lower eyelids meet. This allows the eyelids to separate further apart, increasing the size of the eye opening and relieving pressure on the eye.
Indications
Canthotomy is most commonly performed in cases of Orbital Compartment Syndrome, a serious condition where there is increased pressure within the eye socket that can lead to vision loss if not promptly treated. Other indications may include severe eyelid lacerations or to facilitate certain ophthalmic surgeries.
Complications
As with any surgical procedure, canthotomy carries potential risks and complications. These may include infection, scarring, and changes in the shape of the eye or eyelid. In rare cases, damage to the eye or loss of vision may occur.
Related Terms
- Canthus: The corner of the eye, where the upper and lower eyelids meet.
- Orbital Compartment Syndrome: A condition characterized by increased pressure within the eye socket.
- Lateral Canthotomy: A type of canthotomy where the incision is made at the outer corner of the eye.
External links
- Medical encyclopedia article on Canthotomy
- Wikipedia's article - Canthotomy
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