Medical Malpractice PRK Laser Eye 1
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Your doctor has recommended that you undergo Photorefractive Keratectomy – or PRK Laser surgery – to correct a vision problem. But what does that actually mean?
The human eye is constructed like a camera … with a clear lens in the front and light-sensitive tissue at the rear. This tissue makes up the retina which acts like photographic film.
In an eye that has perfect vision, light rays passing through the pupil are focused by the lens to fall precisely at the center of the retina. There are many common problems that can affect the eye and prevent light rays from focusing properly on the retina.
Medical Malpractice
Three of these problems, myopia – or nearsightedness; hyperopia – or farsightedness; and astigmatism can often be corrected or reduced with the use of PRK laser surgery.
Myopia, or nearsightedness, occurs when the shape of the eye is too long or the curve of the cornea is too extreme. In this case, light rays are focused on a point in front of the retina – instead of on the retina itself.
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Hyperopia, or farsightedness, occurs when the shape of the eye is too short. In this case, light rays are focused on a point behind the retina.
Astigmatism occurs when the cornea is unevenly curved,
causing light rays to fall off center or not to focus properly at all.
In either case, PRK laser surgery can be used to flatten all or part of the cornea … allowing your doctor to cause the focal point of light entering the eye to fall more closely to the center of the surface of the retina.
Medical Malpractice
PRK is a simple and nonintrusive procedure that is designed to reduce or eliminate the need for glasses or contact lenses. PRK laser surgery generally does not have any effect on a patient’s overall health and there are no risks in choosing not to have the surgery.
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Duration : 0:2:25
This is the Science Friday (National Public Radio) video about LASIK eye surgery. The funny thing about this video is that the narrator, who is probably also the producer, is a lot more nervous about LASIK laser vision correction than the patient himself. He is cool as a cucumber, I had LASIK myself, didn’t think it was a big deal and now I see fantastic. The video features Steven Vale, M.D., medical director of Acuity Laser Eye & Vision Center in Bethlehem, Pennsylvania. Dr. Vale is one of the most well-respected and experienced Lasik surgeons in the world. Dr. Vale has performed over 21,000 laser vision correction surgeries. Dr. Vale’s ability and experience really comes out in this otherwise realistic and detailed glimpse at the world of laser vision correction surgery.
http://www.nucleusinc.com This medical animation depicts a LASIK eye surgery to correct nearsightedness (myopia) of the eye. LASIK stands for laser-assisted in situ keratomileusis and is a procedure that permanently changes the shape of the cornea, the clear covering over the front of the eye. ANCE00185