Tag: "corneal" at medical news
New LASIK research reveals unexpected finding: Key to better-than-20/20 vision is in the flap
... your doctor uses a blade or a laser to create the corneal
flap in the first step of the procedure. "It turns...ond step, where an excimer laser is used to ablate corneal
tissue for vision correction. Until now, advancements like Custom LASIK and Wavefront have focus...
Allergies increase risk for corneal transplant rejection, UT Southwestern study shows
...wn. "We found that the immune system's response to corneal
transplants was profoundly elevated in mice with a..., resulting in the rejection of 100 percent of the corneal
grafts. This was in sharp contrast to the 50 percent rejection rate that occurred in the mice withou...
New technique appears to stop abnormal blood vessel growth
...make blood vessels, says Dr. Balamurali K. Ambati, corneal
specialist at the Medical College of Georgia and c...study. In a test tube as well as animal models for corneal
injury and the deadly skin cancer, melanoma, MCG researchers have reduced destructive blood vessel p...
Report describes details of four transplant recipients who contracted rabies from donor
...ht documented cases of rabies transmission through corneal
transplants, including one in the U.S., but there have been no previously reported cases of rabies transmission through solid organ transplant. Elizabeth C. Burton, M.D., of Baylor University Medical Center, Dallas, and colleagues, describe detailed ...
Researchers show beneficial role of risk calculator in fighting progression of glaucoma
...er age, high intraocular pressure, thinner central corneal
thickness, larger vertical cup/disc ratio measurements and higher pattern standard deviation) predictive of disease progression from ocular hypertension to glaucoma. Although the OHT study results have provided a better understanding of the risk fa...
Hopkins study shows 30-day soft contact lenses pose very small risk of vision loss
...kins Wilmer Eye Institute have determined that the corneal
infection rate associated with the use of 30-day -... continuously. The overall annual rate of evident corneal
infection was 18 per 10,000. There were two cases of corneal
infection with partial loss of vision ...
Online ear and hearing diagnosis to break sound barrier
... currently developing other diagnosis programs for corneal
disease and sexually transmitted diseases. Almost 2.5 million people in Australia are affected by hearing loss, with tens of thousands of children and adults currently suffering from ear disease....
Australian first to save sight
... the Lions Corneal Donation Service, said no other corneal
donation facility in Australia offered this kind o... news after initially missing an opportunity for a corneal
transplant when she was on holiday in South Australia. "If this system had been in place at that tim...
Early diagnosis and melanoma
...ication of a substance to the skin which makes the corneal
layer transparent. By means of a number of devices we can observe a pigmentation pattern and a series of structures not visible to the human eye. It is a very useful tool for differentiating pigmented lesions without recourse to surgery. Two advance...
New 'implanted contacts' designed to fix nearsightedness
...or of ophthalmology, who specializes in refractive corneal
surgery. Rather than reshaping the eye, as in laser surgery, or replacing the eye's natural lens, as with intraocular lenses, the collamer lens is inserted with a smaller incision. The lens is like a fixed contact, but it can be removed if need be....
Single dose of azithromycin prevents recurrence of inturned eyelashes
...ard and the eyelashes rub against the eye, causing corneal
scarring, that can lead to blindness. It results from years of repeated episodes of trachoma, an ocular bacterial infection that is very common in rural areas of developing countries. The bacteria that cause trachoma are suspected to be spread by ...
Two surgeries for nearsightedness equally effective
...ery. Vision lost after PRK may be due in part to a corneal
"haze" produced by inflammation caused by the procedure, the reviewers say. "The risk of significant haze after PRK is an important difference between these procedures," Schortt said, although he notes that none of the studies they reviewed included ...
ARVO keynote speakers to explore worldwide vision research collaborations
...on include diseases of the cornea, eye banking and corneal
transplantation, and community eye health. He has been actively involved in the development of numerous collaborations between the United States and India and, in his role as President of the IABP, he leads the global initiative to eliminate avoidabl...
Results with newer bladeless LASIK equivalent to standard microkeratome LASIK
...lves creating a flap, removing a defined amount of corneal
tissue by an excimer laser, and replacing the flap...me and bladeless LASIK. Subbasal nerve density and corneal
sensitivity do not impact vision, but rather the potential to heal from a scratch or other injury to...
The Allergan Foundation donates $2 million to advance eye research and treatment
...archers in the areas of retinal disease, glaucoma, corneal
disease and refractive surgery currently work at UC Irvine, and Allergan's donation will help them meet complex medical and surgical eye care needs, conduct clinical research, develop programs and technologies in conjunction with industry, and seek c...
Study documents outbreak of fungal eye infections among contact lens wearers in Singapore
... were included in the study. Researchers collected corneal
samples and patients' contact lenses, lens cases a...pital stay of 6.5 days, and five patients required corneal
transplantation. "We believe that Singapore is facing a new and unprecedented outbreak of Fusarium k...
Scientists discover why cornea is transparent and free of blood vessels, allowing vision
...f the protein seemed to exist naturally on healthy corneal
epithelium, a previously unknown location for the ...he team conducted a series of experiments. Using corneal
tissue from mice, the team did the following. They conducted chemical analyses that demonstrated...
Report issued on outbreak of serious eye infection linked with use of certain contact lens solution
... information concerning the recent outbreak of the corneal
infection Fusarium keratitis, which was associated... may lead to permanent vision loss or the need for corneal
transplantation. The annual incidence of microbial keratitis is estimated to be 4 to 21 per 10,000 s...
Manmade protein shows promise for cancer, macular degeneration
...ular degeneration," says Dr. Balamurali K. Ambati, corneal
specialist at the Medical College of Georgia and A...vessels to promote healing after trauma, such as a corneal
transplant, a significant corneal
scratch from a contact lens or retinal oxygen deprivation caused b...
Study compares LASIK and LASEK eye surgery
...lying cornea. LASIK avoids most of the problems of corneal
haze, postoperative pain and slow rehabilitation seen in PRK, but complications are sometimes associated with the flap. In LASEK (laser epithelial keratomileusis), the surface cornea layer is treated with alcohol and then peeled back to permit res...