Type of Surgery
Information
Last updated: 11/24/2009
Like traditional surgery, laser surgery can be complicated by:
- hemorrhage
- infection
- perforation (piercing) of an organ or tissue
Laser surgery can also involve risks that are not associated with traditional surgical...
procedures. Being careless or not practicing safe surgical techniques can severely burn the patient's lungs or even cause them to explode. Patients must wear protective eye shields while undergoing laser surgery on any part of the face near the eyes or eyelids, and the United States Food and Drug Administration has said that both doctors and patients must use special wavelength-specific, protective eyewear whenever a CO2 laser is used.
There are other kinds of dangers that laser surgery can impose of which the patient should be aware. Laser beams have the capacity to do a great deal of damage when coupled with high enough energy and absorption. They can ignite clothing, paper, and hair. Further, the risk of fire from lasers increases in the presence of oxygen. Hair should be protected and clothing should be tied back, or removed, within the treatment areas. It is important to guard against electric shock, as lasers require the use of high voltage. Critically, installation must ensure proper wiring.
Laser beams can burn or destroy healthy tissue, cause injuries that are painful and sometimes permanent, and actually compound problems they are supposed to solve. Errors or inaccuracies in laser surgery can worsen a patient's vision, for example, and lasers can scar and even change the skin color of some patients.
All of the above risks, precautions, and potential complications should be discussed by the doctor with the patient.
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This narrated animation describes the function of the major structures of the eye, namely the pupil, iris, lens, cornea, and retina.
Cosmetic laser surgery in progress. The wavelengths of the laser's light can be matched to a specific target, enabling the physician to destroy the capillaries near the skin's surface without damaging the surrounding tissue. (Photograph by Will & Deni McIntyre, Photo Researchers, Inc. Reproduced by permission.)
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Other Information
Laser surgery is surgery using a laser to cut tissue instead of a scalpel. Examples include the use of a laser scalpel in otherwise conventional surgery, and soft tissue laser surgery, in which the laser beam vaporizes soft tissue with high water content. Laser resurfacing is a technique in which molecular bonds of a material are dissolved by a laser.
Laser surgery is commonly used on the eye. Techniques used include LASIK, which is used to correct near- and far-sightedness in vision, and photorefractive keratectomy, a procedure which permanently reshapes the cornea using an excimer laser to remove a small amount of tissue.
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