Laser
A powerful beam of light that is used in some types of surgery to cut or destroy tissue.
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- Laser coagulation
The coagulation (clotting) of tissue using a laser. A coagulation laser produces light in the visible green wavelength that is selectively absorbed by hemoglobin, the pigment in red blood cells, in order to seal off bleeding blood vessels. There is also, for example, electrocoagulation and photocoagulation.
- Laser surgery
A type of surgery that uses the cutting power of a laser beam to make bloodless cuts in tissue or remove a surface lesion such as a skin tumor. There are a number of different types of lasers that differ in emitted light wavelengths and power ranges and in their ability to clot, cut, or […]
- Laser surgery, YAG
The use of a laser to punch a hole in the iris, in order to relieve increased pressure within the eye. Yag laser surgery is an outpatient procedure that may be used, for example, to treat acute angle-closure glaucoma.
- Laser-assisted in situ keratomileusis
A kind of laser eye surgery designed to change the shape of the cornea to eliminate or reduce the need for glasses and contact lenses in cases of severe myopia (nearsightedness). The procedure is best known as LASIK, an acronym for laser-assisted in situ keratomileusis. Before LASIK, the most common form of laser eye surgery […]
- LASIK
Abbreviation standing for laser-assisted in situ keratomileusis, a kind of laser eye surgery designed to change the shape of the cornea to eliminate or reduce the need for glasses and contact lenses in cases of severe myopia (nearsightedness). Before LASIK, the most common form of laser eye surgery was a treatment called PRK which involved […]