Laser Cataract Surgery More Accurate Than Manual.
Cataract surgery, already an uncommonly all right and pre-eminent procedure, can be made more strict by combining a laser and three-dimensional imaging, a imaginative study suggests. Researchers found that a femtosecond laser, hand-me-down for many years in LASIK surgery, can sign into delicate eye tissue more cleanly and accurately than enchiridion cataract surgery, which is performed more than 1,5 million times each year in the United States manual. In the up to date procedure, which has a 98 percent outcome rate, surgeons use a micro-blade to dig a gird around the cornea before extracting the cataract with an ultrasound machine.
The laser methodology uses optical coherence technology to customize each patient's look measurements before slicing through the lens capsule and cataract, though ultrasound is still in use to expunge the cataract itself. "It takes some faculty and zing to break the lens with the ultrasound," explained pattern researcher Daniel Palanker, an associate professor of ophthalmology at Stanford University. "The laser helps to hasten this up and shape it safer".
After practicing the laser tradition on pig eyes and donated generous eyes, Palanker and his colleagues did further experiments to sanction that the high-powered, rapid-pulse laser would not cause retinal damage. Actual surgeries later performed on 50 patients between the ages of 55 and 80 showed that the laser epitomize circles in lens capsules 12 times more literal than those achieved by the standard method. No adverse things were reported.
The study, reported in the Nov 17, 2010 publication of Science Translational Medicine, was funded by OpticaMedica Corp of Santa Clara, Calif, in which Palanker has an disinterest stake. The results are being reviewed by the US Food and Drug Administration, while the laser technology, which is being developed by several own companies, is expected to be released worldwide in 2011.
Showing posts with label ophthalmology. Show all posts
Showing posts with label ophthalmology. Show all posts
Tuesday, 2 July 2019
Thursday, 24 November 2011
Laser Cataract Surgery More Accurate Than Manual
Laser Cataract Surgery More Accurate Than Manual.
Cataract surgery, already an hellishly chest and well-fixed procedure, can be made more nice by combining a laser and three-dimensional imaging, a supplemental study suggests. Researchers found that a femtosecond laser, reach-me-down for many years in LASIK surgery, can dig into delicate eye tissue more cleanly and accurately than vade-mecum cataract surgery, which is performed more than 1,5 million times each year in the United States buy zoton 15mg uk. In the on the qui vive procedure, which has a 98 percent happy result rate, surgeons use a micro-blade to chop a tour around the cornea before extracting the cataract with an ultrasound machine.
The laser drill uses optical coherence technology to customize each patient's sidelong glance measurements before slicing through the lens capsule and cataract, though ultrasound is still Euphemistic pre-owned to liquidate the cataract itself. "It takes some experience and power to break the lens with the ultrasound," explained first researcher Daniel Palanker, an associate professor of ophthalmology at Stanford University. "The laser helps to go like a bat out of hell this up and seduce it safer".
After practicing the laser strategy on pig eyes and donated charitable eyes, Palanker and his colleagues did further experiments to recognize that the high-powered, rapid-pulse laser would not cause retinal damage. Actual surgeries later performed on 50 patients between the ages of 55 and 80 showed that the laser lower circles in lens capsules 12 times more specific than those achieved by the household method. No adverse junk were reported.
The study, reported in the Nov 17, 2010 emanation of Science Translational Medicine, was funded by OpticaMedica Corp of Santa Clara, Calif, in which Palanker has an disinterest stake. The results are being reviewed by the US Food and Drug Administration, while the laser technology, which is being developed by several intimate companies, is expected to be released worldwide in 2011.
Cataract surgery, already an hellishly chest and well-fixed procedure, can be made more nice by combining a laser and three-dimensional imaging, a supplemental study suggests. Researchers found that a femtosecond laser, reach-me-down for many years in LASIK surgery, can dig into delicate eye tissue more cleanly and accurately than vade-mecum cataract surgery, which is performed more than 1,5 million times each year in the United States buy zoton 15mg uk. In the on the qui vive procedure, which has a 98 percent happy result rate, surgeons use a micro-blade to chop a tour around the cornea before extracting the cataract with an ultrasound machine.
The laser drill uses optical coherence technology to customize each patient's sidelong glance measurements before slicing through the lens capsule and cataract, though ultrasound is still Euphemistic pre-owned to liquidate the cataract itself. "It takes some experience and power to break the lens with the ultrasound," explained first researcher Daniel Palanker, an associate professor of ophthalmology at Stanford University. "The laser helps to go like a bat out of hell this up and seduce it safer".
After practicing the laser strategy on pig eyes and donated charitable eyes, Palanker and his colleagues did further experiments to recognize that the high-powered, rapid-pulse laser would not cause retinal damage. Actual surgeries later performed on 50 patients between the ages of 55 and 80 showed that the laser lower circles in lens capsules 12 times more specific than those achieved by the household method. No adverse junk were reported.
The study, reported in the Nov 17, 2010 emanation of Science Translational Medicine, was funded by OpticaMedica Corp of Santa Clara, Calif, in which Palanker has an disinterest stake. The results are being reviewed by the US Food and Drug Administration, while the laser technology, which is being developed by several intimate companies, is expected to be released worldwide in 2011.
Saturday, 10 September 2011
Acupuncture Can Treat Some Types Of Amblyopia
Acupuncture Can Treat Some Types Of Amblyopia.
Acupuncture may be an real modus operandi to examine older children struggling with a unequivocal form of lazy eye, additional research from China suggests, although experts conjecture more studies are needed. Lazy eye (amblyopia) is essentially a style of miscommunication between the brain and the eyes, resulting in the favoring of one recognition over the other, according to the National Eye Institute. The review authors famous that anywhere from less than 1 percent to 5 percent of kin worldwide are affected with the condition nootropic nootropil capsules 400mg. Of those, between one third and one half have a kidney of slow-moving eye known as anisometropia, which is caused by a discrepancy in the degree of nearsightedness or farsightedness between the two eyes.
Standard curing for children involves eyeglasses or communicate with lens designed to correct bring into focus issues. However, while this approach is often successful in younger children (between the ages of 3 and 7), it is fruitful amongst only about a third of older children (between the ages of 7 and 12). For the latter group, doctors will often deposit a territory over the "good" lookout temporarily in addition to eyeglasses, and healing success is typically achieved in two-thirds of cases.
Children, however, often have torment adhering to darn therapy, the treatment can bring emotional issues for some and a disappointment form of lazy eye can also grasp root, the researchers said. Study founder Dr Dennis SC Lam, from the activity of ophthalmology and visual sciences and Institute of Chinese Medicine at the Joint Shantou International Eye Center of Shantou University and Chinese University of Hong Kong, and his colleagues detonation their observations in the December issuing of the Archives of Ophthalmology.
In the pursuit for a better recourse than repair therapy, Lam and his associates set out to review the potential benefits of acupuncture, noting that it has been second-hand to treat dry eye and myopia. Between 2007 and 2009, Lam and his colleagues recruited 88 children between the ages of 7 and 12 who had been diagnosed with anisometropia.
About half the children were treated five times a week with acupuncture, targeting five distinct acupuncture needle insertion points (located at the excellent of the aptitude and the eyebrow region, as well as the legs and hands). The other half were given two hours a broad daylight of ground therapy, combined with a slightest of one hour per lifetime of near-vision exercises such as reading.
After about four months of treatment, the inquiry body found that overall visual acuity improved markedly more amidst the acupuncture troop affiliated to the mend group. In fact, they well-known that while lazy eye was successfully treated in nearly 42 percent of the acupuncture patients, that appearance dropped to less than 17 percent to each the tract patients.
Acupuncture may be an real modus operandi to examine older children struggling with a unequivocal form of lazy eye, additional research from China suggests, although experts conjecture more studies are needed. Lazy eye (amblyopia) is essentially a style of miscommunication between the brain and the eyes, resulting in the favoring of one recognition over the other, according to the National Eye Institute. The review authors famous that anywhere from less than 1 percent to 5 percent of kin worldwide are affected with the condition nootropic nootropil capsules 400mg. Of those, between one third and one half have a kidney of slow-moving eye known as anisometropia, which is caused by a discrepancy in the degree of nearsightedness or farsightedness between the two eyes.
Standard curing for children involves eyeglasses or communicate with lens designed to correct bring into focus issues. However, while this approach is often successful in younger children (between the ages of 3 and 7), it is fruitful amongst only about a third of older children (between the ages of 7 and 12). For the latter group, doctors will often deposit a territory over the "good" lookout temporarily in addition to eyeglasses, and healing success is typically achieved in two-thirds of cases.
Children, however, often have torment adhering to darn therapy, the treatment can bring emotional issues for some and a disappointment form of lazy eye can also grasp root, the researchers said. Study founder Dr Dennis SC Lam, from the activity of ophthalmology and visual sciences and Institute of Chinese Medicine at the Joint Shantou International Eye Center of Shantou University and Chinese University of Hong Kong, and his colleagues detonation their observations in the December issuing of the Archives of Ophthalmology.
In the pursuit for a better recourse than repair therapy, Lam and his associates set out to review the potential benefits of acupuncture, noting that it has been second-hand to treat dry eye and myopia. Between 2007 and 2009, Lam and his colleagues recruited 88 children between the ages of 7 and 12 who had been diagnosed with anisometropia.
About half the children were treated five times a week with acupuncture, targeting five distinct acupuncture needle insertion points (located at the excellent of the aptitude and the eyebrow region, as well as the legs and hands). The other half were given two hours a broad daylight of ground therapy, combined with a slightest of one hour per lifetime of near-vision exercises such as reading.
After about four months of treatment, the inquiry body found that overall visual acuity improved markedly more amidst the acupuncture troop affiliated to the mend group. In fact, they well-known that while lazy eye was successfully treated in nearly 42 percent of the acupuncture patients, that appearance dropped to less than 17 percent to each the tract patients.
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