2008年7月16日星期三

Stronger Warnings For Lasik Surgery From FDA

Lasik Surgery (laser-assisted in situ keratomileusis) is the most advanced eye surgery. According to Golfer Tiger Woods "It is a life changing". NASA is now allowing astronauts to undergo this procedure, and in the U.S. military, nearly 112,500 personnel, have undergone this surgery, including pilots.

But FDA (U.S. Food and Drug Administration's) Ophthalmic Devices Panel convened Friday to discuss post-LASIK quality-of-life issues. At the end of the day FDA warn more clearly about the risk and post complications of the Lasik Surgery.

On hearing this problem Dr Christopher Starr says, "This is ground-breaking news. It's the first time anything like this has happened around refractory, or LASIK, eye surgery. I think this surgery is the best , because I know that the surgery, when done on the right patients, is a great, great surgery with phenomenally good outcomes." According to the Lasik Surgery task force, formed in 2007, 95.4% of patients were satisfied. This task force was conducted by FDA, The American Academy of Ophthalmology, and the U.S. National Eye Institute.

But FDA is revealing latest news, that among 7.6 million people who have undergone this procedure in the United States in the mid 1990's, 140 have written complaint to the FDA. Now FDA is following up the complaints, and the Friday's hearing was a part of the large review to see if new warnings about the Lasik Surgery are needed to alert the consumers to the possibility of the eye pain, dry eyes, blurred or double vision, and other problems.

Some of the affected patients were present on Friday, and they complaint that their vision is not cured rather they have poor night vision, some have glare or halos, some complained of dry eye "The FDA has called it as quality-of-life-issue". said Dr. Robert Cykiert, associate professor of ophthalmology at New York University Langone Medical Center.

"Too many Americans have been harmed by this procedure, and it's about time this message was heard," said David Shell of Washington, D.C., who had the surgery in 1998 and said he has "not experienced a moment of crisp, good quality vision since".

LASIK surgery involves cutting a small flap in the eye's cornea using a laser. With the flap held out of the way, the surgeon can then reshape the corneal tissue with another laser. The procedure can be used for nearsightedness (as in Tiger Woods' case), farsightedness and, in some cases, astigmatism.

But the much-touted procedure is not for everyone. Those who have a misshapen cornea or excessively thin cornea, who have early cataract formation or big pupils, who have dry eyes, or underlying conditions such as lupus or rheumatoid arthritis, should be ruled out,"said Dr. Norman Saffra, director of ophthalmology at Maimonides Medical Center in New York City.

2008年7月15日星期二

Presby-LASIK Cures Hyperopia

Bruce W. Jackson, MD, and colleagues has performed presby-LASIK on 28 hyperopic patients and observed that it results in good near and distant vision.

Surgery involved applying bilateral aspheric ablations to treat patients' presbyopia. Surgeons then performed a CustomVue (Advanced Medical Optics) hyperopic treatment with a central presbyopic ablation, creating a central near vision ablation profile, Dr. Jackson said.

At 6 months, 86% of patients had 20/20 binocular distance uncorrected visual acuity, and all patients had 20/40, Dr. Jackson said. For uncorrected near visual acuity, 90% achieved J1 and all patients achieved J3, which was the target vision. Overall, patients were satisfied with their outcomes, he noted.

"We think this procedure is a good alternative for young presbyopes with low refractive error, especially those who don't want intraocular surgery," he said.

2008年7月14日星期一

Wedding ring sets United we stand

Wedding ring sets are integration of both engagement and wedding ring in a
similar design, complimenting one another. It is suitable for women who hate
wearing more than one ring, or for couples who have budget constraints. It
is actually called wedding set and is designed to be worn together, and
these rings cannot be worn separately as they are soldered to be worn
together for a seamless and permanent fit, hence they are inseparable.

tiffany jewellery of Wedding ring sets symbolizes the deep and intertwined relationship they
share without discriminating each other and giving each other the same
status in the society. The wedding set is a perfect complement to a romantic
relationship; many couples choose rings set which symbolizes their closeness
and togetherness in harmony and passion with matching designs and settings.

A united wedding ring set is an elaborate designed pair; the pair should
have a co-ordination wrap to each of the ring. Yellow gold is the most
commonly used in the wedding ring set, but one can also use the combination
of yellow as well as white gold to give a striking look to the wedding ring
set. Wedding ring sets are mostly designed with intricacy and delicate
detailing since they are surrounded with multiple small stones in a pattern
with a large stone in centre.

2008年7月13日星期日

OTC Reading Glasses may not help astigmatic vision

Now many of us out there have an astigmatism. It's a condition in which the cornea or the crystalline lens is football shaped rather than spherical. OTC Readers do not correct for this. If your astigmatic correction is not very strong, you may get along with these readers just fine. However if it is rather significant such as a 1.00 or above you may experience some difficulty.

There are those out there that have certain conditions in which the eye begins to wander or there may be other ocular motor dysfunctions which can be corrected with the use of prisms. The prismatic effect is experienced any time one looks away from the Optical center of the lens. In the case of prescribed prism the doctor has determined that the optical center should be moved either up, down, in or out or any combination of these. OTC Readers do not account for this.

2008年7月10日星期四

Fighting Macular Degeneration with Antioxidants

Research shows that antioxidants may lower the incidence of age-related macular degeneration (AMD) or at least slow the progression of the disease:

* Vitamin E was associated with a 13% reduced risk of AMD in a 12-year study of 22,000 male physicians.

* A study of patients with signs of AMD showed those who took zinc supplements had less visual loss from the disease compared to patients receiving a placebo.2

* In 1994, the Eye Disease Case Control Study indicated that dietary carotenoids, particularly lutein and zeaxanthin, slowed the progression of AMD. People who ate the most green leafy vegetables were 88 percent less likely to develop severe AMD than subjects who ate the least amount of green leafy vegetables.

2008年7月9日星期三

Macular degeneration (MD)

This is the leading cause of irreversible blindness among Americans over 65! The macula is a portion of the retina in the back of the eye. MD occurs when macular cells in the center of the retina become damaged. This is caused in part, by oxidative damage. The retina is particularly susceptible to such damage, because it is exposed to more oxygen than any other organ in the body, except for your skin. Furthermore, the retina contains a high concentration of lipids, easily damaged by oxygen.

Cosmetics A secret of perpetual beauty

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