Laser Surgery Eyes

 

YAG Laser Surgery

Due to the use of a YAG (yttrium-aluminum-garnet) laser to do surgery hence the term so. One use for a YAG laser in surgery is to punch a hole in the iris to relieve increased pressure within the eye from acute angle-closure glaucoma. In this type of glaucoma, there is a sudden (acute) increase in pressure in the anterior (front) chamber of the eye due to abrupt blockage of the normal circulation of fluid within the eye.

There are other kinds of YAG laser surgery for the eye (e.g., for cataracts) and other areas of the body including the skin (e.g., to remove birth marks).

 

Steps Of Yag Laser Surgery

YAG LASER produces a concentrated beam of light that can focus on the iris or any thick membrane behind the intraocular lens.

This laser beam can create a smooth ,fine opening of desired size in these structures without affecting other sensitive parts of the eye...

 

Applications where YAG LASER is used :

Posterior Capsulotomy : -

Treatment of secondary cataract. This accounts for 95% of the YAG therapy modalities. After cataract surgery with the implantation of a posterior chamber lens (IOL) clouding of the remaining posterior lens capsule can occur in some cases...

 

Cleaning Of Iol Surfaces : -

Clusters of cells are sometimes deposited on the surface of implanted intraocular lenses, making the lens cloudy or opaque. The YAG laser is used with very low energy to remove these deposits from the surface of the IOL. This would appear to occur primarily with the now increasingly used silicone lenses...

 

Anterior Capsulotomy : -

This application, is performed in preparation for capsulorhexis (opening of the anterior capsule wall) as part of cataract surgery...

 

Iridectomy/ Iridotomy : -

Treatment for lowering intraocular pressure when flow of aqueous humour between the lens and the iris is blocked. A hole is created in the iris with the YAG laser. This treatment is performed when there is an obstruction in the flow of aqueous humour between the crystalline lens and the iris (angle-closure glaucoma and chronic glaucoma with a narrow chamber angle)...

 

Trabeculotomy/Goniotomy : -

Treatment of glaucoma. An opening is created with the YAG laser in the tissues responsible for the the outflow of aqueous humour, in cases of obstruction or blockage. Trabeculotomy is rarely performed with the YAG laser...

 

Removal Of Synechiae : -

Synechiae is an adhesion of the iris to surrounding tissue. The YAG laser can treat anterior (adhesion around the cornea) and posterior (adhesion to the lens) synechiae...

 

Severing Vitreous Strands And Membranes : -

Treatment in which vitreous strands and membranes are severed with the help of a YAG laser...

 

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Article Source: ArticlesBase.com - YAG Laser Surgery In India- Affordable Cost YAG Laser YAG Eye Surgery

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Eye Cataract Surgery

The crystalline lens is the main part of the focusing mechanism of human eye. The lens which is clear and transparent becomes cloudy and opaque with age and thereby hampering normal vision. Any opacity in the crystalline lens, which leads to decreased vision, is Cataract.

Aging is the most common cause for Cataract. Proteins of the eye get reduced with the age and this leads to Cataract. Other causes include congenital and developmental anomalies, trauma, inflammation of the eye and metabolic diseases like Diabetes and Hypothyroidism. Cataract makes simple tasks difficult and in some cases impossible to perform. In the early stage of Cataract the lens refracts light irregularly, so the images formed are blurred and unclear. In the chronic stage cataract may cut off light nearly in total, causing blindness.

Some of the common symptoms of Cataract are:

• Cloudy or blurred vision

• Changes in one's perception of colours

• Sensitivity to bright lamps or sunlight

• Poor night vision

• Difficulty in driving especially at night

• Frequent changes in eye glass prescription

Cataract should be removed as soon as it begins to affect daily activities. With any of the above mentioned symptoms setting in, it is the right time to go for Cataract removal. One should not wait for the cataract to get matured as unnecessary delay can lead to avoidable complications and more difficult surgery. Cataract Surgery can be undertaken successfully in any season. Summer or rainy seasons have absolutely no effect on the outcome of the cataract eye surgery.

Surgery is the only course of treatment for cataract. There are two options available for cataract surgery:

• Conventional Cataract Surgery or Extra Capsular Cataract Extraction

• Microincision Cataract Surgery (Phacoemulsification Cataract Surgery)

phacoemulsification cataract surgery with implantation of foldable Intra Ocular Lens (IOL) is the most recommended treatment for Cataract. The procedure is simple, safe, and accurate and it leads to rapid recovery.
There are a number of advantages of Phacoemulsification with foldable IOL over Conventional Cataract Surgery:

• This is a painless surgery that requires no injection, stitches or bandage.

• Drops of local anesthetic agent are used instead of an injection in the eye

• Early visual rehabilitation for the patient

• Normal activities can be resumed soon

• Minimum curvature changes occur in the eye after surgery

• No diet restriction after surgery

• Final glasses can be prescribed within two weeks

• Removal of the cataract takes just about 2 minutes and the entire procedure would take about 5-8 minutes.

About the Author:

Nethradhama Super Specialty Eye Hospital, Bangalore offers comprehensive eye care facilities to treat various eye disorders. Nethradhama Hospital is an icon of dynamic progress in the field of Ophthalmology.

Article Source: ArticlesBase.com - Cataract Eye Surgery Treatment, Phacoemulsification Cataract Surgery

3 more patients face partial blindness after undergoing cataract surgery at a Thai Hospital
Three more patients face partial blindness after undergoing cataract surgery at Khon Kaen Hospital. Seven other patients have already lost sight in one of their eyes for the same reason.

Lasik Corrective Eye Surgery

Each eye is complex and unique and has its own shape. Small imperfections in the eye scatters light waves which cause vision impairment. The procedure is done by a qualified and skilled surgeon.

Lasik laser refractive surgery has become an extremely effective treatment in eye correction. The surgery is done as an outpatient procedure and takes about five minutes per eye. The results are dramatic. It is a refractive surgery to correct errors and reshapes the cornea of the eye. It is an effective treatment and enhances the ability to focus. Lasik eye surgery is the most common type of laser vision correction. The procedure is done by a qualified and skilled surgeon. The recovery is minimal and most patients are able to see without vision correction the next day.

According to the U.S. Centers for Disease Control and Prevention (CDC) 45% of adults over 50 have never had a dilated eye exam. 1 out of every 3 adults over 40 has a vision problem. A growing problem is the lack of concern to seek out preventative eye care. With that serious problems with the eyes can go undetected and cause permanent damage. Some threatening eye problems include: cataracts, glaucoma, macular degeneration and presbyopia.

Lasik surgery is refractive surgery to correct vision and eliminate the need for glasses and contact lenses. An initial baseline eye examination is needed with your eye doctor to see if you are a good candidate for Lasik eye surgery. If you wear contact lenses you should stop wearing them for several weeks before Lasik eye surgery since contacts change the shape of the cornea.

Lasik laser eye surgery correct most patient's common vision problems as with Myopia or nearsightedness; Hyperopia or farsightedness and Astigmatism or distorted vision.

The total procedure takes less than 30 minutes. The laser system includes a large machine with a microscope and an attached computer screen. The laser is used to remove corneal tissue based on measurements taken at your initial evaluation. After the procedure your vision may be hazy or blurry.

This will improve considerably within the first few days. Plan on taking a few days from work until symptoms are gone. A follow up visit is scheduled within the first 24 to 48 hours after surgery to test your vision and examine your eye and regular scheduled interval check ups for at least six months.

Call your eye doctor or Houston Lasik surgeon for more information. Lasik laser surgery is available across America and in Texas in cities as Houston, Dallas, Austin and San Antonio.

About the Author:

At the International EyeCare Laser Center, our doctors practice LASIK only - we are specialists. Dr. Charles Moore is instrumental in the design and development of LASIK diagnostic and surgical equipment. For more information visit our site: http://www.texaslasik.com/

Article Source: ArticlesBase.com - Recovery Time with Lasik Laser Eye Surgery is Minimal

Laser Eye Corrective Surgery

Sudden blurred vision, especially when accompanied by other factors, can be a symptom of various diseases and disorders. The following are some of the diseases and disorders associated with having sudden blurred vision.

Glaucoma: Glaucoma is often touted as the silent thief because you may have been losing your eyesight without you knowing it. Glaucoma is one of the leading causes of loss of vision. Symptoms may include sudden blurred vision, accompanied by nausea or vomiting, eye redness, severe eye pain, loss of peripheral vision and seeing halos around lights. A common type of glaucoma is primary open-angle glaucoma. This forms gradually and does not give warning signs so often enough, many people do not become aware of their eye problem until it is too late. Glaucoma is actually a group of diseases, the most common feature of which is damage to the optic nerve and a sensation of pressure on your eyeballs.

When it is accompanied by stringy or spotty bits in your vision, sudden flashes of light and the sensation that a curtain or shadow is being lowered onto your field of vision, you may be experiencing retinal detachment. Retinal detachment should be taken care of immediately. It is a medical emergency and time is of the essence. If the detached retina is not surgically put back into place, the patient may suffer permanent loss of vision. Unlike glaucoma though, retinal detachment gives out warning signs so you may be able to have yourself diagnosed and treated as soon as possible.

You may be suffering from a stroke if you are experiencing sudden blurred vision with loss of peripheral vision, sudden partial or total vision loss or double vision. Stroke is the third-leading cause of death in the United States. It is a medical emergency so the immediate treatment of stroke can spell the difference between life and death. Treating stroke early can also spell the difference between full recovery and a lifetime of paralysis or disability. Stroke happens when the brain tissue is deprived of oxygen and nutrients. This occurs when the supply of blood to the brain is reduced or severely interrupted.

Some other causes of it are diabetes, need for corrective eye surgery and hypertension. The less common of cause of sudden blurred vision might also be macular degeneration and migraine. Migraines can last up to 45 minutes before it subsides. In any case, if you experience this, you should contact your doctor immediately.

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Lasik Eye Surgery Risks

 LASIK Eye Surgery is a modern technique of modern era. It is like the boon for the person who wants to get liberation from the barrier of their eyes that is in the form of spectacles and contact lenses. Specs are a great trouble for the people who are linked professionally with any sports field so for them LASIK Eye Surgery is the best way to throw these problem out of their life. LASIK Eye Surgery is almost a painless surgery which is usually takes just 15 to 40 minutes for the improvement of eyesight of the patient.  If you make up your mind for LASIK Eye Surgery, you must be above 21 of age and should not be suffering from any kind of autoimmune infection such as HIV, AIDS, arthritis and any else  including with this they must have a stable vision for at least 10 to 12 months.

With the knowledge of course and risks of LASIK Eye Surgery there is one more fact that the patient should be familiar with and that is the total operating cost  that the patient have to pay out for this surgery. The cost of this surgery varies in different geographic reason. Usually in east and west region of US the cost is bit high while those in the interior can profit the lower costs of LASIK Eye Surgery. The whole cost of LASIK Eye Surgery depends on some issues like the  type of surgery fro that you are treated with including with this the fees of surgeon and expense of instrument used during LASIK Eye Surgery. Besides of these the charges are also based on the condition of eye of the patient that how major or minor the severity of the patient is.

Mostly, the sum of total amount of cash that the patients have to pay for each eye that may be approximate $1500, it is just an estimate the exact amount of expense only the surgeon can told them after examine their conditions of eyesight. Unluckily, there are very slight chances to get some financial assistance for LASIK Eye Surgery through any insurance but there is a good news for the patient who can not have enough money for LASIK Eye Surgery that there are some clinics who offers some financing with the generally with the 0% of interest rates. If the patients require some more information about any subject matter of LASIK Eye Surgery, they can find the entire info on the internet.

About the Author:

Alan James1 is the researcher and writes articles for Lasik laser eye surgery info.com. He is writing about Lasik laser eye surgery. For more information about Lasik laser eye surgery Los angeles lasik laser eye surgery, Lasik Eye Surgery Procedure visit at http://Lasiklasereyesurgeryinfo.com

Article Source: ArticlesBase.com - Expenditure of Lasik Eye Surgery: Check Up the Cost of Surgery

Rk Eye Surgery

The history of Lasik is often thought of as being non-existent or short lived.  To many the idea of Lasik is a new one as it is often thought of as being a young technique.  But Lasik has a long history, and the technique used today is a result of improvements made on past ideas.

Surgeries dating to over 55 years ago were actually the first in vision correction.  In 1948, a doctor by the name of Jose Barraquer developed a technique for correcting vision that today would seem barbaric and unethical.  In Bogota, Columbia, his ideas involved removing over half of the cornea and freezing it.  He would then use a lathe to reshape the surface to a more suitable shape.  Once it was reshaped, the cornea was sewn back in place. 

This procedure, called freeze myopic keratomileusis or MKM, gave very unpredictable results.  It was also very difficult to perform.  As bizarre as the technique may sound, it played an important role in developing the technology we have today as part of the history of Lasik.  MKM made use of a basic version of the microkeratome that is currently used in Lasik.

By understanding the problems associated with MKM, further developments were made to help the idea of vision correction grow.  Over ten years later, automated lamellar keratoplasty or ALK was created.  This technique used a modified microkeratome that created a flap at the front of the eye and also removed a wedge of corneal tissue to correct refractive errors.  Like Dr. Barraquer’s method, however, results were unpredictable with ALK. 

Shortly after the founding of automated lamellar keratoplasty, a doctor from Russia created a technique called radial keratotomy or RK.  Dr. Fyodorov changed the previous techniques slightly in order to provide a more reliable outcome with vision correction.  With RK, the cornea is reshaped by the use of standard surgical instruments.  A scalpel was used to remove portions of the cornea for reshaping to help correct refractive errors such as myopia (nearsightedness) and astigmatism. 

Dr. Fyodorov’s RK technique required more physical labor to achieve a result that pales in comparison to today’s Lasik.  However, although the results were more reliable than previous techniques, the procedure was useless for refractive errors that were more severe than simple minor nearsightedness or astigmatism. 

For thirty years following Dr. Fyodorov’s technique, the use of lasers was discovered, researched, and applied to use in the eye.  In 1983, Steven Trokel first described the use of the excimer laser for the removal of corneal tissue.  He used this laser in a procedure known as photo-refractive keratectomy or PRK.  With this technique, the surface of the cornea is changed with lasers.  PRK came immediately before the invention of Lasik, which affects the inner tissue of the cornea.

The first Lasik procedure was perform in 1991 in the United States.  It is the first procedure to prove the most reliable results.  Lasik is the first to be a quick and relatively painless procedure with a fast recovery time.  The history of Lasik has been an important tool in what we have today.

About the Author:

While researching Stockton eye surgery a few years ago, Joe Palerma found a great Stockton eye surgeon. He went to Zeiter Eye Care and consulted with the experts in Stockton lasik. From researching Stockton Lasik, Joe got the information he needed for the surgery he desired.

Article Source: ArticlesBase.com - The History of Lasik

Has anyone had the new Lasik Plus surgery done?

I had the RK they called it in 1995 done. That was for near sightedness only. This new Lasik plus they say is suppose to correct farsightedness/nearsightedness!! Also stygnatism.. But my brother in law is having it done on both eyes April 7.. It cost him $4,000.00.. Two K an eye.. Wholey COW!! Has anyone heard good things about this and/or bad things????

Yes, good is that no galsses is needed. Bad is that the eyes will be dry and halo will be experienced but after like 3mnth, everything will become better.

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Vera Bradley

Do you carry a Vera Bradley bag? What is your favorite color?

I am so addicted to Vera Bradley bags. I have about ten total. I love Mesa Red, Picadilly Plum, and Bermuda Blue.

Picadilly Plum is my fav too, I have it in a Messenger Bag, for my teacher stuff.
I also have a great hipster and matching wallet in Mesa Red. And a tote style bag in peacock, but after owning it, it's not my fav right now. BUT I would LOVE a backpack in Mod Floral Pink or Blue, or even Kensington. I cannot believe I have gotten addicted, but I love the pockets, and the fact that they are washable.

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Reading Glasses Lot

Will reading glasses permanently affect vision?

I'm a graduate student in the field of computer science. My optometrist prescribed me a pair of reading glasses (+0.75 for both eyes) for when I'm using the computer and studying. He says my eyes are in great condition though, just that the strain on my eyes can be harmful in the long run and I should use the glasses if I plan to be doing a lot of work in front of the computer/studying. I've heard that wearing glasses alter your eyes, sometimes to the point where you constantly need them. Does this hold true for reading glasses?

Your optometrist truly deserves a monument made of marble, covered with the purest gold and no smaller than the Lincoln Memorial in Washington DC. Most optometrists are not like yours and they are totally unaware of any form of prevention, especially when it comes to myopia (nearsightedness) which is the most common vision problem and it's when distant things appear blurry. All they usually do is give their patients glasses for myopia when they're already myopic and inevitably their eyesight gets worse every six months until their mid 20's. The simplest way to prevent myopia,or slowing down its progression, is the use of reading glasses, which is exactly what your wonderful optometrist did. He's surely up to date with the most important researches on myopia published in the last 20 years and I fail to understand why so many of his colleagues all over the world ignore those things.

It's difficult to explain in a few words why it's absolutely correct to use reading glasses in a situation like yours, but I'll try.
It has been proven beyond doubt that a young person who has perfect eyesight can easily become myopic if he/she spends most of the time looking at things that are too close. The first thing that can happen is pseudo-myopia, i.e. a form of nearsightedness caused by a spasm of the ciliary muscle. It's not a terrible thing but it's enough to make your vision blurry when you look at something distant. If the person keeps doing the same things that caused the pseudo-myopia, it's highly probable that his/her pseudo-myopia will turn into real myopia, which is an abnormal increase of the eye's length . From that moment on, that young person will have no hope, because as I said he won't be helped at all. They'll only give him/her glasses for nearsightedness which will make things worse.
The use of reading glasses (but only when looking at something close) would be a blessing instead , because those glasses make one simple but important thing: they shift the focus of the light rays which get into your eyes exactly as if you were farther from what you're looking at. In other words, if you want to prevent your eyesight from deteriorating, you should avoid (or reduce a lot) near work, such as computer, books, and so on. It's not always possible, especially in your case , but reading glasses can do that for you. Although things appear bigger and therefore closer to you when you wear those glasses, your eyes "feel" that you're looking at something more distant and therefore the eye-strain is greatly reduced. That means that those glasses protect your eyesight and it will be much easier to keep it as good as it is now.
You eyes won't become dependent on those glasses because they just reduce eye-strain. What you heard ("wearing glasses alter your eyes, sometimes to the point where you constantly need them) applies to a different type of glasses, those for nearsightedness. Their improper use helps eyesight to deteriorate because with those glasses the focus of the light rays gets closer to the retina. A myope who wears full-prescription glasses makes an effort to see close things and it's that effort which makes the eyesight worse.

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Reading Glasses Lot

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