Lazer Eye Surgery
27-Apr-2008, 07:39 AM
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Here's some latest news on Lasik Surgery
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Federal panel seeks clearer warnings on Lasik vision-correction surgery
Provided by: The Canadian Press
Written by: Lauran Neergaard, THE ASSOCIATED PRESS
Apr. 25, 2008
David Shell shows a chart of his vision after having Lasik surgery. THE ASSOCIATED PRESS/Luis M. Alvare
WASHINGTON - In fury and despair, patients harmed by Lasik eye surgery told federal health advisers Friday of severe eye pain, blurred vision and even a son's suicide. The advisers recommended that the government warn more clearly about the risks of the hugely popular operations.
About 700,000 Americans a year undergo the elective laser surgery. Like golf star and famed Lasik recipient Tiger Woods, they're hoping to throw away their glasses, just as the ads say.
And while the vast majority benefit - most see 20-20 or even better - about one in four people who seeks Lasik is not a good candidate. A small fraction, perhaps one per cent or fewer, suffer serious, life-changing side effects: worse vision, severe dry eye, glare, inability to drive at night.
"Too many Americans have been harmed by this procedure and it's about time this message was heard," David Shell of Washington told the Food and Drug Administration's scientific advisers before their recommendation that the FDA provide clearer warnings.
Shell held up large photographs that he said depict his blurred world, showing halos around objects and double vision, since his 1998 Lasik.
"I see multiple moons," he said angrily. "Anybody want to have Lasik now?"
Colin Dorrian was in law school when dry eye made his contact lenses so intolerable that he sought Lasik, even though a doctor noted his pupils were pretty large. Both the dry eye and pupil size should have disqualified Dorrian, but he received Lasik anyway - and his father described six years of eye pain and fuzzy vision before the suburban Philadelphia man killed himself last year.
"As soon as my eyes went bad, I fell into a deeper depression than I'd ever experienced, and I couldn't get out," Gerard Dorrian read from his son's suicide note.
Matt Kotsovolos, who worked for the Duke Eye Center when he had a more sophisticated Lasik procedure in 2006, said doctors classify him as a success because he now has 20-20 vision. But he said, "For the last two years I have suffered debilitating and unremitting eye pain. ... Patients do not want to continue to exist as helpless victims with no voice."
The sober testimonies illustrated that a decade after Lasik hit the market, there still are questions about just how often patients suffer bad outcomes from the $2,000-per-eye procedure.
But one thing is clear, said Dr Jayne Weiss of Detroit's Kresge Eye Institute, who chairs the FDA advisory panel: "This is a referendum on the performance of Lasik by some surgeons who should be doing a better job."
The FDA advisers - a group of mostly glasses-wearing eye doctors - recommended that the agency make more clear the warnings it already provides for would-be Lasik patients:
-Add photographs that illustrate what people suffering certain side effects actually see, such as the glare that can make oncoming headlights a huge "starburst" of light.
-Clarify how often patients suffer different side effects, such as dry eye. Some eye surgeons say 31 per cent of Lasik patients have some degree of dry eye before surgery, and it worsens for about five per cent afterward. Other studies say 48 per cent of Lasik recipients suffer some degree of dry eye months later.
-Make more understandable the conditions that should disqualify someone from Lasik, such as large pupils or severe nearsightedness.
-And spell out that anyone whose nearsightedness is fixed by Lasik is guaranteed to need reading glasses in middle age, something that might not be needed if they skip Lasik.
That's a big reason why Weiss, the glasses-wearing ophthalmologist, won't get Lasik even though she offers it to her patients.
"I can read without my glasses and ... operate without my glasses, and I love that," she said. "The second aspect is I would not tolerate any risk for myself. ... Does that mean Lasik is good or not good? It means Lasik is good but not for everyone."
Lasik is marketed as quick and painless: Doctors cut a flap in the cornea - the eye's clear covering - aim a laser underneath it and zap to reshape the cornea for sharper sight.
The FDA agrees with eye surgeons' studies that only about five per cent of patients are dissatisfied with Lasik. What's not clear is exactly how many of those suffer lasting severe problems and how many just didn't get quite as clear vision as they had expected.
The most meticulous studies come from the military, where far less than one per cent of Lasik recipients suffer serious side effects, said Dr. David Tanzer, the navy's Medical Corps commander. That research prompted Lasik to be cleared last year both for navy aviators and NASA astronauts.
"The word from the guys that are out there standing in harm's way, whose lives depend on their ability to see, are asking you to please not take this away," said Lt.-Col. Scott Barnes, a cornea specialist at Fort Bragg who described army troops seeking Lasik after losing their glasses in combat.
No one's actually considering restrictions on Lasik - but the FDA is pairing with eye surgeons to begin a major study next year to better understand who has bad outcomes.
"Millions of patients have benefited" from Lasik, said Dr. Peter McDonnell of Johns Hopkins University, a spokesman for the American Academy of Ophthalmologists. "No matter how uncommon, when complications occur, they can be distressing. ... We're dedicated to doing everything in our power to make the Lasik procedure even better for all our patients."
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Federal panel seeks clearer warnings on Lasik vision-correction surgery
Provided by: The Canadian Press
Written by: Lauran Neergaard, THE ASSOCIATED PRESS
Apr. 25, 2008
David Shell shows a chart of his vision after having Lasik surgery. THE ASSOCIATED PRESS/Luis M. AlvareWASHINGTON - In fury and despair, patients harmed by Lasik eye surgery told federal health advisers Friday of severe eye pain, blurred vision and even a son's suicide. The advisers recommended that the government warn more clearly about the risks of the hugely popular operations.
About 700,000 Americans a year undergo the elective laser surgery. Like golf star and famed Lasik recipient Tiger Woods, they're hoping to throw away their glasses, just as the ads say.
And while the vast majority benefit - most see 20-20 or even better - about one in four people who seeks Lasik is not a good candidate. A small fraction, perhaps one per cent or fewer, suffer serious, life-changing side effects: worse vision, severe dry eye, glare, inability to drive at night.
"Too many Americans have been harmed by this procedure and it's about time this message was heard," David Shell of Washington told the Food and Drug Administration's scientific advisers before their recommendation that the FDA provide clearer warnings.
Shell held up large photographs that he said depict his blurred world, showing halos around objects and double vision, since his 1998 Lasik.
"I see multiple moons," he said angrily. "Anybody want to have Lasik now?"
Colin Dorrian was in law school when dry eye made his contact lenses so intolerable that he sought Lasik, even though a doctor noted his pupils were pretty large. Both the dry eye and pupil size should have disqualified Dorrian, but he received Lasik anyway - and his father described six years of eye pain and fuzzy vision before the suburban Philadelphia man killed himself last year.
"As soon as my eyes went bad, I fell into a deeper depression than I'd ever experienced, and I couldn't get out," Gerard Dorrian read from his son's suicide note.
Matt Kotsovolos, who worked for the Duke Eye Center when he had a more sophisticated Lasik procedure in 2006, said doctors classify him as a success because he now has 20-20 vision. But he said, "For the last two years I have suffered debilitating and unremitting eye pain. ... Patients do not want to continue to exist as helpless victims with no voice."
The sober testimonies illustrated that a decade after Lasik hit the market, there still are questions about just how often patients suffer bad outcomes from the $2,000-per-eye procedure.
But one thing is clear, said Dr Jayne Weiss of Detroit's Kresge Eye Institute, who chairs the FDA advisory panel: "This is a referendum on the performance of Lasik by some surgeons who should be doing a better job."
The FDA advisers - a group of mostly glasses-wearing eye doctors - recommended that the agency make more clear the warnings it already provides for would-be Lasik patients:
-Add photographs that illustrate what people suffering certain side effects actually see, such as the glare that can make oncoming headlights a huge "starburst" of light.
-Clarify how often patients suffer different side effects, such as dry eye. Some eye surgeons say 31 per cent of Lasik patients have some degree of dry eye before surgery, and it worsens for about five per cent afterward. Other studies say 48 per cent of Lasik recipients suffer some degree of dry eye months later.
-Make more understandable the conditions that should disqualify someone from Lasik, such as large pupils or severe nearsightedness.
-And spell out that anyone whose nearsightedness is fixed by Lasik is guaranteed to need reading glasses in middle age, something that might not be needed if they skip Lasik.
That's a big reason why Weiss, the glasses-wearing ophthalmologist, won't get Lasik even though she offers it to her patients.
"I can read without my glasses and ... operate without my glasses, and I love that," she said. "The second aspect is I would not tolerate any risk for myself. ... Does that mean Lasik is good or not good? It means Lasik is good but not for everyone."
Lasik is marketed as quick and painless: Doctors cut a flap in the cornea - the eye's clear covering - aim a laser underneath it and zap to reshape the cornea for sharper sight.
The FDA agrees with eye surgeons' studies that only about five per cent of patients are dissatisfied with Lasik. What's not clear is exactly how many of those suffer lasting severe problems and how many just didn't get quite as clear vision as they had expected.
The most meticulous studies come from the military, where far less than one per cent of Lasik recipients suffer serious side effects, said Dr. David Tanzer, the navy's Medical Corps commander. That research prompted Lasik to be cleared last year both for navy aviators and NASA astronauts.
"The word from the guys that are out there standing in harm's way, whose lives depend on their ability to see, are asking you to please not take this away," said Lt.-Col. Scott Barnes, a cornea specialist at Fort Bragg who described army troops seeking Lasik after losing their glasses in combat.
No one's actually considering restrictions on Lasik - but the FDA is pairing with eye surgeons to begin a major study next year to better understand who has bad outcomes.
"Millions of patients have benefited" from Lasik, said Dr. Peter McDonnell of Johns Hopkins University, a spokesman for the American Academy of Ophthalmologists. "No matter how uncommon, when complications occur, they can be distressing. ... We're dedicated to doing everything in our power to make the Lasik procedure even better for all our patients."
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