As Doctors Health Press e-Bulletin (http://www.doctorshealthpress.com/general-health-2/health-news/this-could-be-the-new-frontier-in-eye-health) notes, many people don?t have perfect eyesight due to injury, age-related wear and tear, and disease. For those who don?t have good eyesight, they might find it difficult to read from afar, or may feel like everything is constantly blurry. For some people, this may be a temporary state, but for many unfortunate others, poor eyesight is a permanent fact of life.
As the article ?This Could Be the New Frontier in Eye Health? reports, one of the main triggers for poor eyesight is the presence of a corneal infection. Many times, people find that, somehow, bacteria are able to invade the cornea after surgery?and that?s when an infection can set in.
These infections can be serious, causing irritation, ruptures, and inflammation. If left untreated, blurry vision, and even blindness, can result. In addition, this type of infection is much more widespread these days, due to the increase in corneal surgeries for cataracts, glaucoma, and other conditions.
The Doctors Health Press e-Bulletin article states that researchers have discovered that they can use nanomedicine to improve the delivery and quantity of medicine that an infected eye receives.
Normally, conventional drops are put into the eye; with this type of drug delivery, scientists estimate a mere five percent of the medicine actually reaches the site of infection. Since the patient?s natural tendency is to blink and tear up whenever something touches their eyeball, an even greater amount of the medicine is washed away, making these conventional drugs very ineffective.
But according to the article, that?s where nanomedicine comes in. Scientists have come up with a way to get drugs directly where they are needed in the right quantities. Soft contacts can be filled with nanoparticle drugs and delivered to a precise spot on the eye. Not only that, but the medicine can be released over a sustained period of time.
Doctors Health Press e-Bulletin reports that a research team recently tested the effects of nanomedicine on dogs with glaucoma. They delivered a drug called ?timolol? through contact lenses. Because the nanomedicine was concentrated and potent, only one-third of a dose was needed to reduce ocular pressure when compared to conventional eye drops. The researchers also experimented by adding vitamin E to the nanomedicine, which had the effect of prolonging the release of the timolol.
As Doctors Health Press e-Bulletin concludes, this research has the potential to change the lives of people with vision problems.
- Courtesy of PRWeb
Source: http://www.lensaunders.com/wp/nanomedicine-three-times-more-effective-in-treating-eye-infections/
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