Type of Surgery
Information
Last updated: 02/17/2009
Following anesthesia, the surgeon measures the dimensions of the eye globe, length of the optic nerve, and horizontal dimensions of the cornea. The surgeon then illuminates the globe of the eye before opening it. A dissecting microscope is used to...
detect major features and possible minute lesions. The eye is opened with a sharp razor blade by holding the globe with the left hand, cornea down against the cutting block, and holding the blade between the thumb and middle finger of the right hand. Enucleation proceeds with a sawing motion from back to front. The plane of section begins adjacent to the optic nerve and ends at the periphery of the cornea. The plane of section is dependent on whether a lesion has been detected. If not, the globe is cut along a horizontal plane, using as surface landmarks the superior and inferior oblique insertions and the long postciliary vein. If a lesion has been found, the plane of section is modified so that the lesion is included in the slab.
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Other Information
Enucleation is removal of the eye, leaving the eye muscles and remaining orbital contents intact. This type of ocular surgery is indicated for a number of different ocular tumors, in eyes that have suffered severe trauma, and in eyes that are blind and painful due to other disease.
Auto-enucleation or oedipism and other forms of serious self inflicted eye injury are an extremely rare form of severe self-harm which usually results from serious mental illnesses such as schizophrenia .
Other Information
Approximately 56% of all patients achieve results of 20/20 or better and over 90% achieve 20/40 or better (which is good enough to drive without corrective lenses in most regions).1 Those with moderate to high myopia (greater than 7 diopters) have a lesser chance of achieving that result. As technique and technology improve, the results continue to improve.
From: Eye Surgery Education Council
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