Thursday, 24 November 2016
Many LASIK Patients Have New Eye Problems After Surgery!
In the study, the researchers followed two groups of people for up to six months after they underwent the eye . The first group was made up of 262 active-duty Navy personnel, whose average age was 29. The second group was made up of 312 civilians, whose average age was 32.
The people in the study completed a web-based survey about their vision before their surgery, and a few times afterward. The survey included questions about how satisfied they were with their vision and whether they were experiencing any visual symptoms that involved seeing halos, starbursts, glare or double images.
In LASIK surgery, doctors make a small cut in the eye's cornea, or outermost layer, according to the FDA. Then they use a laser to remove some of the cornea tissue, reshaping it, with the aim of improving the person's vision.
Overall, people's vision did improve after the surgery, the researchers found. However, 43 percent in the naval group, and 46 percent in the civilian group, reported experiencing new symptoms, such as seeing double images, glare, halos or starbursts, three months after the surgery.
People in the study were, on average, more satisfied with the of their vision after the surgery than before it. However, between 1 and 4 percent of people in both groups reported some degree of dissatisfaction with their vision at three to six months after the surgery, the researchers found.
The new results show that "there is no such thing as perfect surgery," said Dr. Mark Fromer, an ophthalmologist at Lenox Hill Hospital in New York City, who was not involved in the study. However, he noted that, based on his own experience with LASIK patients, the people who experience the reported in the study do not typically feel incapacitated by these symptoms.
People should be informed about the risk of such symptoms by their doctors before they decide whether to undergo LASIK surgery, he said.
"Laser vision correction surgery can be a wonderful procedure, but it has to be for the right patient," he said. "It has to be for the patient who is willing to accept any of the possible side effects that sometimes can occur with LASIK, such as dry eye or eye glare or double image."
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