The Benefits of Cataract Lens Surgery

There is plenty of help available for people who are affected by cataracts. In the early stages when the cataract is small there are eye drops that can help delay the process of the cataract spreading. Even some lifestyle changes like improvements to diet can help stem the expansion of the cataract. Ultimately, however, if no surgical treatment is received, the cataract will spread across the eye and cause blindness. Having surgery may sound very daunting, but the procedure is, in fact, very straight forward, safe and quick. Plus, there is very little recovery time needed. This is a guide to the main benefits of cataract lens surgery.

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Benefit 1. The cataract is dealt with
There is no denying that cataract surgery removes the cataract instantly. But if you are thinking of having cataract surgery you should also consider refractive lens exchange which will not only remove the cataract but also correct your vision, which is ideal for those over the age of 50. It works by removing the existing lens of the eye where the cataract has formed and replacing it with an artificial lens.


Benefit 2. The cataract cannot come back
As well as removing the cataract altogether, the artificial lens cannot be affected by cataracts in the future. The artificial lens can never become hardened or become cloudy in the way that a natural lens can. Once your cataract has been removed and your eyesight has returned, you can be sure it will remain clear and bright long into the future.

Benefit 3. Eye sight is fully restored
Many patients do not realise quite how bad their cataract was and when their sight is returned to them they cannot believe the difference. A cataract can cause sensitivity to bright lights. It can also cause double and blurred vision and halos to be seen around lights. They can even cause complete blindness if left untreated. Once the lens has been replaced however all these problems will instantly disappear.

Benefit 4. No more wearing glasses
If you have had to rely on glasses or contact lenses for any period of time you will know what being able to get rid of them for good will mean. If the cataract is removed during a refractive lens exchange procedure other eye problems such as long and short sightedness, also known as refractive errors, will also be corrected and eye sight is completely restored so any glasses or contact lenses can be disposed of for good. This form of cataract surgery truly brings a new lease of life to anyone who undergoes treatment.


Benefit 5. Recovery period is very short
It takes just a few days to recover from cataract surgery. Patients are often back at work in a few days. Sometimes there may be some swelling or redness following surgery but this can be helped with some eye drops that the surgeon will provide. A good rest is necessary immediately following surgery and of course no rubbing or touching of the eye, but normal life returns literally a couple of days following the surgery.

Benefit 6. Suitable for people with astigmatism
Refractive lens exchange is a treatment which is also suitable for people with astigmatism which many forms of eye surgery aren’t. Astigmatism is an irregularity in the shape of the cornea, so instead of being round it is oval and can cause images to focus on the retina incorrectly normally distorting them and causing blurry vision at all distances.

People considering cataract lens surgery should also seriously consider refractive lens exchange as they will be able to fix their eyesight aswell in the same surgery and prevent the cataracts from returning. The surgery puts an end to eye problems immediately. The procedure is very similar to a standard cataract operation procedure except that the patient will get a lens which also corrects their vision. It is quick, just 20 minutes per eye.

Self-Adjustable Eyeglass Lenses

In developed countries, getting glasses is a simple matter: Visit an optometrist, get a prescription and have it filled at a corner store. Not so in the developing world, where there are few optometrists and little money for luxuries like eyeglasses.

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Enter Joshua Silver, an atomic physicist at Oxford with a penchant for tinkering. “I like to experiment,” he said. “Take things apart and figure out how they work.”

In the 1980s, he began a do-it-yourself project making lenses whose focusing power could be changed by the user. He designed and built a liquid-filled packet made of two flexible transparent membranes — a liquid lens. Adding or draining liquid changes the curvature, making the lens stronger or weaker.

“I realized after a few months that I could make a very good lens — good optically, but not for glasses,” Dr. Silver said. “I started some dialogue with the World Health Organization and found the director of the program for the prevention of blindness. I asked him how many people in the world needed glasses and don’t have them. He said it was about a billion.”

Working with a British government grant, Dr. Silver developed a practical pair of adjustable eyeglasses. The two lenses are filled with clear silicone fluid, and there is a dial on each arm. The user puts on the glasses and then twists each dial until vision in both eyes is satisfactory.

The glasses do not correct for astigmatism, Dr. Silver said. “Many people, if you just correct their spherical refractive error, you get vision good enough to function.”

The glasses are not beautiful. The thick frames resemble those worn by Jean-Paul Sartre. But the dial and pump can be removed after adjustment. More than 30,000 pairs are in use by adults worldwide, and a study financed by the World Bank is testing a version for use by teenagers.

Dr. Silver is director of the Center for Vision in the Developing World, and his goal is to see a billion people wearing the eyeglasses they need by 2020. “We are trying to reduce the cost both by design and increased volume,” he said. NICHOLAS BAKALAR

Keeping the Sun at Bay and the Water Away

SUN rays reflecting off the ocean can be blinding, not to mention harmful to one’s eyes. Still, surfers have long resisted wearing protective sunglasses or goggles because they were too easy to lose, too likely to become foggy or waterlogged.

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But now there is ventilated, draining eyewear made to be worn while surfing, windsurfing, kayaking and jet skiing. Adjustable straps keep them secure during spills.

Some of these impact-resistant frames for watersports have long been available. Just as it took a long while for surfers to start wearing zinc-based sunblock, said Chris Coté, the editor of Transworld Surf magazine, they are only now starting to wear sunglasses to protect against cataracts and pterygium, a fleshy growth on the white part of your eye caused by prolonged sun exposure.

To see if watersport glasses made a difference, Katie Coryell, a professional surfer and instructor at Surf Diva, a school for women and girls in La Jolla, Calif., wore them on the water for a week. She was eager to try them, she said, because “some of my contemporaries already have eye problems, and I have a lot of years of surfing ahead of me.”

FCC OKs on-body medical networks

The U.S. Federal Communications Commission adopted rules at a meeting on Wednesday to allow wireless networks of microstimulators designed to treat paralysis and other conditions.

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The agency approved the use of MMNs (medical micropower networks) in four blocks of the 400MHz spectrum band despite opposition from broadcast engineers who say they are concerned about interference. One of the frequency blocks is used by trucks that send live media reports back to TV and radio stations.

Microstimulators implanted next to nerves can stimulate those nerves through electrical charges, causing muscles to contract and limbs to move. MMNs can link dozens of those stimulators to devices that take in signals from the human nervous system, bypassing areas of the nervous system that have been impaired by strokes or spinal cord or brain injuries.

The Alfred Mann Foundation (AMF), which has developed prototype MMNs, sought access to the spectrum for these systems in 2009. It did not seek exclusive access to the frequencies and said the new networks could coexist with other users. In a press release on Wednesday, the FCC called the new rules an example of how "spectrum-agile" radios can make more efficient use of scarce spectrum.

In a related development, the agency's Office of Engineering and Technology issued an order allowing Second Sight Medical Products to sell a retinal prosthesis that uses wireless transmissions to restore sight to the blind through a miniature video camera mounted on a pair of glasses. The camera sends images to a video processing unit, and the video is then sent wirelessly to a neurostimulator implanted on the eye. It is designed for people with advanced retinal degenerative disease.

Expert information on the condition or health of your eyes

In Great Britain, there are college and university courses which can supply ophthalmology degrees. Educational institutions offering these include the Royal College of Glasgow, The Royal College of Ophthalmologists and Royal College of Edinburgh. A qualification from one of those universities must be held by ophthalmologist to carry on their career in the UK. When the postgraduate has passed their course, the majority of the students usually obtain a placement within the NHS to develop practical skills and experience. In fact, many of the major laser eye specialists run programs to help people become entirely qualified ophthalmologists. However, most of the time these are vocational courses, which are taken after acquiring a postgraduate qualification.

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The specific technology being used by ophthalmologists will change depending on the eye condition being treated. For an invasive cornea surgical operation a Ziemer LDV Femtosecond precision laser is used. This piece of equipment enables a surgeon to operate on an eye without the need for a blade. A new form of non-invasive imaging technology, OCT (Ocular Coherence Tomographer), is being used increasingly for mapping the shape, size and contours of an eye. For more complicated and specialist ailments there is also treatments such as Anti-VEGF drugs and Fluorescein angiography. These are only a few examples of the procedures and equipment currently in use by professional ophthalmologists.


Lasik eye surgery is a style of refractive surgery used to correct hyperopia, myopia and astigmatism. This form of surgery is usually one alternative to wearing lenses or corrective glasses, which many people do not like to wear everyday. In certain aspects the procedure is similar to other surgical corrective procedures such as refractive surgery and photo-refractive keratectomy, making it a quick fix solution to eye sight disorders. In the procedure the cornea is reshaped and remodelled. The possibility of the eye rejecting the surgery does exist and it could revert back to its original state, however any other side effects will be at a minimum.

Patients require a cornea transplant or graft when their cornea becomes permanently possibly through disease or external damage. If for instance a person develops Fuchs dystrophy (a degenerative corneal disease which affects both of the eyes) or Keratoconus (a disorder which affects the structure and shape of the cornea) then a cornea transplant is the final solution. This is where donated corneal tissue is grafted onto a damaged eye to restore the eye back to full health - the graft coming from a donor who has just passed away. cornea transplant or Keratoconus surgery are often the final option for corneal diseases - in the vast majority of cases, the conditions can be easily treated by simply wearing corrective lenses.


There are a variety of surgeries within a number of locations. On the whole the surgeries for eye treatment take place in big cities like Sheffield, Newcastle or Cardiff. It makes sense to look at laser eye surgery in London for any treatment centres close by for eye surgery. The surgeries are extremely reputable, often leading to longer waiting lists. A positive aspect of this is that the treatment clinic staff have a huge amount of experience. In particular cases, they may be coupled with officially recognised opticians so a simple suggestions is to have a chat with your own optician for their recommendations prior to speaking to an eye surgeon.

Macular degeneration is a painless condition which leads to a gradual loss of vision in the macula because of damage to the retina. When it develops the disease can affect vision when reading and recognising faces, however side vision or peripheral vision is usually unaffected. There are two main types of the progressive disease; dry and wet. The first is caused when cellular debris accumulates behind the retina, whilst wet macular degeneration is regarded as more serious and is caused by an abnormal growth of blood vessels behind the retina. As the effects of macular degeneration can usually be halted by taking vitamins or mineral supplements eye surgery is usually not necessary.

Wearing prescriptive glasses for the first time will take some getting used to, and similarly progre

When youare having presbyopia, isn't that enough of a problem? Are there any other problems on top of not having the ability to read at close range? You will be assured that there are numerous progressive lenses problems, as with anything elset in the journey referred to as Life. Read on to find what are the few widespread progressive lenses issues and how one can avoid the discomfort and enjoy the full advantages of progressive lenses.

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Let's say you already own a pair of progressive lenses, is it essential then for you to buy extra glasses for the computer and reading functions? As progressive lenses could possibly be a expensive investment, wouldn't it make good sense to stay with this one lenses for a complete variety of tasks at close range? What progressive lenses issues may

come up, you may wonder.

While reading glasses will let you read your favourite ebook at close range, it permits a wider space of viewing so that you just don't really need to look down to read. Though having to tilt the head downwards is a standard studying posture, at occasions we would read textual content as we hold the e book right in front of the face. So what are progressive lenses problems? Continue to read on. Progressive lenses problems are such that you face the technicality of slender space?in between the ranges and the short vertical corridor will cause you extreme discomfort over a long period of time.


Now you have got a pc glass to allow your presbyopia afflicted eyes to stare at thecomputer monitor for lengthy hours as you enjoy what the web has to offer. Progressive lenses problems are such that as you tilt your head up or down and undergo the area?in between the varying focal lengths, you discover that the pc monitor screen will grow wider or narrower as you move. The sort of progressive lensesissues would have cut short any enjoyment that one may have had over the internet.

These progressive lenses issues can be overcome by having lenses which can be no less than 34 mm tall, so that the vertical reading corridor between the far and near sights could be wider. It will forestall one from having the dizziness of having to adjust to the different focusing distances. Adaptation is the important thing to overcoming progressive lenses problems. Whereas some might take a longer time, the youthful of us will have a shorter adaptation period to overcome the progressive lenses problems.

Cosmetics—the Possible Cause of Eye Diseases

Nowadays, when you walk around the street, you may always come across many beautiful ladies or girls who decorating themselves with cosmetics. Most of them believe that it will add up to their charm by paint eyebrows, shade eyes, and wear lipstick. As a matter of fact, cosmetics in the market of now may get contaminated more or less in the process of producing and promoting. Therefore, it is hoped that every lady or girl who is fond of making up should not forget the eyes' health problem when trying to pursue the beauty.

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According to eye experts' introductions, there are four types of eye diseases that are rather popular. Among them, most cases are related to the stimulation from cosmetics to eyes, so these kinds of eye diseases are called cosmetics-caused eye diseases.

Fungal corneal disease

Some scholars from foreign countries through sample investigation confirmed that a great deal of fusarium solani could be found in the mascara. One piece of new mascara may be contaminated about 1.5 before it is used, but when it is put into use, the rate of being contaminated increases to about 60% which is several times higher than the original one. Fusarium solani causes fungal corneal disease easily, and even worse it will cause the lost of eye vision.