Lasik Eye Surgery Procedure – Extremely Precise Vision Correction
May 10, 2011 by admin
Filed under Non Fiction
anonymous asked:
The most commonly used refractive surgery procedure is the lasik eye surgery procedure and this is a very popular form of surgery that has the advantage of being less painful and resulting in a 20/20 vision in most cases, usually on the very next day.
The basic lasik surgery procedure involves an instrument which is known as a microkeratome which is used in the surgery to create a thin and round flap in the cornea. The surgeon will take the flap and fold it back so that it is not in the way and then takes away some corneal tissue that is underneath with the help of an excimer laser which uses cool ultraviolet light beams to exactly remove very small bits of tissue from the cornea in order to reform it.
Once the cornea is reformed into the correct shape it will work in an improved manner and focuses light into the eye as also onto the retina thereby getting the person to see clearly which will be better than what it was before the lasik eye procedure. Afterwards, the flap is replaced back in place and covers the area where the corneal tissue had been removed.
Corrects Nearsightedness, Farsightedness as well as Astigmatism
Lasik surgery procedure is helpful for nearsighted as well as farsighted people. In the case of nearsightedness the aim is to flatten the extra-steep cornea and with farsightedness, a steeper cornea is required. Excimer lasers are also used to rectify astigmatism through smoothening of the irregular cornea and getting it into a more normal shape and the lasik eye procedure will help to achieve this.
There are certain steps to follow before getting your lasik eye procedure performed and these include choosing a good surgeon, finding out whether you are the right person for this type of surgery as well as finding out whether you have any dry eye diseases which need to be treated and cleared prior to the lasik eye procedure.
There are different types of lasik eye procedures such as blade versus bladeless and also custom lasik or wavefront lasik procedures. The wavefront-guided lasik eye surgery procedure makes use of 3-dimensional measurements that figures out how the eye processes images and this is helpful for guiding the laser in reshaping the front portion of the eye that is called the cornea. The wavefront measurement of the lasik eye surgery procedure is extremely useful in extreme and precise individualized vision correction.
The most commonly used refractive surgery procedure is the lasik eye surgery procedure and this is a very popular form of surgery that has the advantage of being less painful and resulting in a 20/20 vision in most cases, usually on the very next day.
The basic lasik surgery procedure involves an instrument which is known as a microkeratome which is used in the surgery to create a thin and round flap in the cornea. The surgeon will take the flap and fold it back so that it is not in the way and then takes away some corneal tissue that is underneath with the help of an excimer laser which uses cool ultraviolet light beams to exactly remove very small bits of tissue from the cornea in order to reform it.
Once the cornea is reformed into the correct shape it will work in an improved manner and focuses light into the eye as also onto the retina thereby getting the person to see clearly which will be better than what it was before the lasik eye procedure. Afterwards, the flap is replaced back in place and covers the area where the corneal tissue had been removed.
Corrects Nearsightedness, Farsightedness as well as Astigmatism
Lasik surgery procedure is helpful for nearsighted as well as farsighted people. In the case of nearsightedness the aim is to flatten the extra-steep cornea and with farsightedness, a steeper cornea is required. Excimer lasers are also used to rectify astigmatism through smoothening of the irregular cornea and getting it into a more normal shape and the lasik eye procedure will help to achieve this.
There are certain steps to follow before getting your lasik eye procedure performed and these include choosing a good surgeon, finding out whether you are the right person for this type of surgery as well as finding out whether you have any dry eye diseases which need to be treated and cleared prior to the lasik eye procedure.
There are different types of lasik eye procedures such as blade versus bladeless and also custom lasik or wavefront lasik procedures. The wavefront-guided lasik eye surgery procedure makes use of 3-dimensional measurements that figures out how the eye processes images and this is helpful for guiding the laser in reshaping the front portion of the eye that is called the cornea. The wavefront measurement of the lasik eye surgery procedure is extremely useful in extreme and precise individualized vision correction.
LASIK Eye Surgery — A Practical Guide to Laser Vision Correction
August 7, 2009 by admin
Filed under Non Fiction
Louis Zhang asked:
LASIK eye surgery is a procedure that treats nearsightedness, farsightedness and astigmatism. LASIK stands for Laser-Assisted In Situ Keratomileusis.
A laser or a surgical blade is used to cut a flap in the cornea. Then, a laser removes tissue beneath the flap, permanently changing the focusing power of the cornea, thereby improving vision.
Laser eye surgery is relatively painless, quick and convenient. There are two surgical methods from which to choose.
Do your research, ask lots of questions and follow all of the surgeon’s directives both prior to and following the lasik procedure to improve its effectiveness.
The Lasik Procedure In order to access the stroma, the surgeon cuts a flap in the upper portion of the cornea, right above the pupil. Numbing drops are put into the eye, the cornea is marked to aid in replacing the flap, and then the eye area is cleaned.
A lid speculum holds the eye open. High pressure is applied to the eye with a suction ring that is briefly placed directly on the eye. Then the flap is cut. This is called a keratectomy, which may be done by either of two methods.
The time-tested way uses a microkeratome, a cutting instrument or blade. The newer method of cutting the flap is by “laser-only” or femtosecond lasik, sometimes known by the brand name “IntraLase”.
After the suction ring is removed, both lasik methods are nearly identical.
The corneal flap is folded back, and the exposed tissue is allowed to dry. Then, the patient is asked to stare at a light for about sixty seconds to help keep the eye fixed and immobile.
In less than one minute, the lasik computer pulses high-energy ultraviolet light removing the tissue that was previously determined to reshape the cornea most effectively and accurately.
The lasik laser makes clicking sounds, and there may be a smell of burning tissue. After very precise amounts of tissue are removed from the stroma, the surgeon lays the flap back into place. The eye is observed for a few minutes to make sure that proper bonding is taking place.
After Lasik Eye Surgery Once the surgery is complete, a protective shield is placed over the eye, to prevent pressure and anything from bumping the eye. Since there are no stitches in lasik surgery, these precautions must be taken to ensure that the flap remains in place.
Some patients return to work the next day, but most doctors recommend that you wait a few days. Strenuous activity, and non-contact sports should be avoided for up to three days.
Facial products and makeup are out for up to two weeks. The eyelashes may need to be scrubbed fairly often during this time to help prevent infection.
No contact sports are allowed for at least four weeks. Expect to leave off swimming, hot tubs, whirlpools and saunas for up to eight weeks.
Expected Outcomes from Lasik Most lasik patients see huge improvements in their vision by the next day. Vision may continue to improve for three to six months post-operatively. While visual fluctuations may occur temporarily throughout the day, this tendency diminishes over time.
Lasik eye surgery is not for everyone. Most good candidates follow their surgeon’s pre and post-operative directives faithfully. They find their vision, and therefore their lifestyle, greatly enhanced by this laser procedure.
LASIK eye surgery is a procedure that treats nearsightedness, farsightedness and astigmatism. LASIK stands for Laser-Assisted In Situ Keratomileusis.
A laser or a surgical blade is used to cut a flap in the cornea. Then, a laser removes tissue beneath the flap, permanently changing the focusing power of the cornea, thereby improving vision.
Laser eye surgery is relatively painless, quick and convenient. There are two surgical methods from which to choose.
Do your research, ask lots of questions and follow all of the surgeon’s directives both prior to and following the lasik procedure to improve its effectiveness.
The Lasik Procedure In order to access the stroma, the surgeon cuts a flap in the upper portion of the cornea, right above the pupil. Numbing drops are put into the eye, the cornea is marked to aid in replacing the flap, and then the eye area is cleaned.
A lid speculum holds the eye open. High pressure is applied to the eye with a suction ring that is briefly placed directly on the eye. Then the flap is cut. This is called a keratectomy, which may be done by either of two methods.
The time-tested way uses a microkeratome, a cutting instrument or blade. The newer method of cutting the flap is by “laser-only” or femtosecond lasik, sometimes known by the brand name “IntraLase”.
After the suction ring is removed, both lasik methods are nearly identical.
The corneal flap is folded back, and the exposed tissue is allowed to dry. Then, the patient is asked to stare at a light for about sixty seconds to help keep the eye fixed and immobile.
In less than one minute, the lasik computer pulses high-energy ultraviolet light removing the tissue that was previously determined to reshape the cornea most effectively and accurately.
The lasik laser makes clicking sounds, and there may be a smell of burning tissue. After very precise amounts of tissue are removed from the stroma, the surgeon lays the flap back into place. The eye is observed for a few minutes to make sure that proper bonding is taking place.
After Lasik Eye Surgery Once the surgery is complete, a protective shield is placed over the eye, to prevent pressure and anything from bumping the eye. Since there are no stitches in lasik surgery, these precautions must be taken to ensure that the flap remains in place.
Some patients return to work the next day, but most doctors recommend that you wait a few days. Strenuous activity, and non-contact sports should be avoided for up to three days.
Facial products and makeup are out for up to two weeks. The eyelashes may need to be scrubbed fairly often during this time to help prevent infection.
No contact sports are allowed for at least four weeks. Expect to leave off swimming, hot tubs, whirlpools and saunas for up to eight weeks.
Expected Outcomes from Lasik Most lasik patients see huge improvements in their vision by the next day. Vision may continue to improve for three to six months post-operatively. While visual fluctuations may occur temporarily throughout the day, this tendency diminishes over time.
Lasik eye surgery is not for everyone. Most good candidates follow their surgeon’s pre and post-operative directives faithfully. They find their vision, and therefore their lifestyle, greatly enhanced by this laser procedure.
Lasik Eye Surgery Risks Include Loss of Vision
July 29, 2009 by admin
Filed under Non Fiction
anonymous asked:
Most often, patients of lasik eye surgery are pleased with the results of the refractive surgery but they should be aware that it does involve certain risks and that is why it becomes necessary for them to understand the various types of lasik surgery risks.
This would involve studying and understanding the possible risks which may include losing vision, developing a debilitating visual symptom, under-correction or over-correction or developing severe dry eye symptoms. Some patients have disappointing results and refractive errors that may occur, farsighted patients may see results diminish with age, and also there is not enough long term data available to ensure long-term safety and effectiveness of lasik surgery.
Device Malfunction, Flap Migration, Inflammations and Infections
In addition, there are other lasik eye surgery risks such as malfunction of devices used in the procedure, migration of the flap, and inflammation or infection developing. There are instances when a patient loses lines of vision on the vision chart that may not be able to be treated by glasses, contact lenses or surgery and this is a grave lasik surgery risk.
There may also be lasik eye surgery risks such as the patient developing glares, halos and/or double vision that may seriously hinder nighttime vision and the patient may not be able to see well in low contrast situations. The numbers of patients who achieve 20/20 vision as a result of lasik surgery are few and so may need additional treatment though such additional treatment may not always be possible. This is another lasik surgery risk.
There is also considerable lasik eye surgery risk in that the patient may not be able to produce enough tears so that the eye remains clean as well as moist and comfortable. There is considerable discomfort caused by dry eyes and it may reduce the quality of vision because of intermittent blurring as well as other symptoms of vision. Such a condition may sometimes become permanent and may require intensive drop therapy as well as using plugs or some other procedures for treatment and is certainly another serious lasik surgery risk.
The patient would be well advised to discuss with the doctor their expectations and be prepared that sometimes the results would not match high expectations. In case of farsighted people, the amount by which the vision can be improved as a result of having lasik eye surgery would decrease as one grows older and this may be another lasik surgery risk. Also, there is not enough long term data to help the medical professionals glean more knowledge about this relatively new technology and so the long-term safety and effectiveness of lasik eye surgery is not really known.
Most often, patients of lasik eye surgery are pleased with the results of the refractive surgery but they should be aware that it does involve certain risks and that is why it becomes necessary for them to understand the various types of lasik surgery risks.
This would involve studying and understanding the possible risks which may include losing vision, developing a debilitating visual symptom, under-correction or over-correction or developing severe dry eye symptoms. Some patients have disappointing results and refractive errors that may occur, farsighted patients may see results diminish with age, and also there is not enough long term data available to ensure long-term safety and effectiveness of lasik surgery.
Device Malfunction, Flap Migration, Inflammations and Infections
In addition, there are other lasik eye surgery risks such as malfunction of devices used in the procedure, migration of the flap, and inflammation or infection developing. There are instances when a patient loses lines of vision on the vision chart that may not be able to be treated by glasses, contact lenses or surgery and this is a grave lasik surgery risk.
There may also be lasik eye surgery risks such as the patient developing glares, halos and/or double vision that may seriously hinder nighttime vision and the patient may not be able to see well in low contrast situations. The numbers of patients who achieve 20/20 vision as a result of lasik surgery are few and so may need additional treatment though such additional treatment may not always be possible. This is another lasik surgery risk.
There is also considerable lasik eye surgery risk in that the patient may not be able to produce enough tears so that the eye remains clean as well as moist and comfortable. There is considerable discomfort caused by dry eyes and it may reduce the quality of vision because of intermittent blurring as well as other symptoms of vision. Such a condition may sometimes become permanent and may require intensive drop therapy as well as using plugs or some other procedures for treatment and is certainly another serious lasik surgery risk.
The patient would be well advised to discuss with the doctor their expectations and be prepared that sometimes the results would not match high expectations. In case of farsighted people, the amount by which the vision can be improved as a result of having lasik eye surgery would decrease as one grows older and this may be another lasik surgery risk. Also, there is not enough long term data to help the medical professionals glean more knowledge about this relatively new technology and so the long-term safety and effectiveness of lasik eye surgery is not really known.
What Complications You Can Face After A Lasik Eye Surgery
July 8, 2009 by admin
Filed under Non Fiction
John Porter asked:
Lasik eye surgery has gained tremendous popularity since the time it was introduced in the last decade. The main reasons for this has been its efficacy and the realtivly high rate of success compared to most other operations. But at the end of the day it is a question of your eyes and it is always better to be properly educated about the operation and the kind of complications you might face.
It is generally your optometrist who will first provide you with the details of the operation. In this article we just provide you an overview.
This eye surgery is used to cure three main types of eye conditions-myopia, hyperopia and astigmatism. Myopia, also know as nearsightedness is the problem of not being able to see what is far away without glasses. Hyperopia, also known as farsightedness, is the other way round. Astigmatism is something different where the patient has irregularities in his cornea which as a result distorts the image formed on the retina of the eye. The complications that one can face after surgery are discussed below.
The capacity to distinguish an item from its neighboring backdrop is a problem of contrast sensitivity. The reduction in contrast sensitivity is a comparatively common occurrence after LASIK surgery, particularly in patients with high amounts of myopia.
The occurrence of a second, generally fainter, image of an object next to the original object, creating an indistinct vision is what double vision or ghosting is. This problem is generally an effect of irregular astigmatism brought on by surgery. Like several other lasik-related vision problems, double vision often goes away over a period of time.
Then there is the problem of halos where one can see halos around lights. It must be noted that corneal swelling after this operation can cause halos for the first few weeks. In fact it is quite normal. However, if you think that the halo has persisted over a normal period of time, then it might be necessary for you to go for treatment again.
Another eye surgery related complication, starbursts cause a person to see lights as blurred. Often spikes or rays of light seem to radiate out of the center of the light source. Generally it affects night time vision, but in some cases, it might be a problem for all light sources at any time of the day.
Lasik has become a wildly popular surgery and while it does have some risks and occasional complications, it usually results in greatly improved vision for many people. To have the best chance for a successful recovery be aware of the restrictions after eye surgery. Here are the most important:
Prior to your lasik procedure, your eye care professional will have already performed an in-depth eye exam. In addition to an eye exam, you doctor needs a thorough health history to determine whether or not you are a good candidate for this procedure.
Many factors can make or break your eye surgery. To have the expected outcome, you must be a good candidate, you should follow all pre-operative instructions and you should always follow the post-operative instructions.
When you are ready for your operation procedure, your doctor will discuss several things to look for after surgery. He or she will also give you detailed post-operative instructions. Some of these restrictions may include not driving or working for several days, going to your check up appointments when scheduled, avoiding make up or touching the eye and refraining from physical activity.
Lasik eye surgery has gained tremendous popularity since the time it was introduced in the last decade. The main reasons for this has been its efficacy and the realtivly high rate of success compared to most other operations. But at the end of the day it is a question of your eyes and it is always better to be properly educated about the operation and the kind of complications you might face.
It is generally your optometrist who will first provide you with the details of the operation. In this article we just provide you an overview.
This eye surgery is used to cure three main types of eye conditions-myopia, hyperopia and astigmatism. Myopia, also know as nearsightedness is the problem of not being able to see what is far away without glasses. Hyperopia, also known as farsightedness, is the other way round. Astigmatism is something different where the patient has irregularities in his cornea which as a result distorts the image formed on the retina of the eye. The complications that one can face after surgery are discussed below.
The capacity to distinguish an item from its neighboring backdrop is a problem of contrast sensitivity. The reduction in contrast sensitivity is a comparatively common occurrence after LASIK surgery, particularly in patients with high amounts of myopia.
The occurrence of a second, generally fainter, image of an object next to the original object, creating an indistinct vision is what double vision or ghosting is. This problem is generally an effect of irregular astigmatism brought on by surgery. Like several other lasik-related vision problems, double vision often goes away over a period of time.
Then there is the problem of halos where one can see halos around lights. It must be noted that corneal swelling after this operation can cause halos for the first few weeks. In fact it is quite normal. However, if you think that the halo has persisted over a normal period of time, then it might be necessary for you to go for treatment again.
Another eye surgery related complication, starbursts cause a person to see lights as blurred. Often spikes or rays of light seem to radiate out of the center of the light source. Generally it affects night time vision, but in some cases, it might be a problem for all light sources at any time of the day.
Lasik has become a wildly popular surgery and while it does have some risks and occasional complications, it usually results in greatly improved vision for many people. To have the best chance for a successful recovery be aware of the restrictions after eye surgery. Here are the most important:
Prior to your lasik procedure, your eye care professional will have already performed an in-depth eye exam. In addition to an eye exam, you doctor needs a thorough health history to determine whether or not you are a good candidate for this procedure.
Many factors can make or break your eye surgery. To have the expected outcome, you must be a good candidate, you should follow all pre-operative instructions and you should always follow the post-operative instructions.
When you are ready for your operation procedure, your doctor will discuss several things to look for after surgery. He or she will also give you detailed post-operative instructions. Some of these restrictions may include not driving or working for several days, going to your check up appointments when scheduled, avoiding make up or touching the eye and refraining from physical activity.
What Is The Cost Of Lasik Eye Surgery? Are You Worth It?
May 5, 2009 by admin
Filed under Non Fiction
Bill Urell asked:
Lasik eye surgery is the most advanced laser procedure that can be performed on the eyes. It can correct several common eye defects such as nearsightedness, farsightedness and astigmatism. This eliminates the need to wear clunky spectacles or even contact lenses. Lasik eye surgery can give you greatly improved eyesight and even up to a 20/20 vision.
This procedure makes use of special laser that directly treats the cornea and corrects the abnormality.
First, the surgeon will slice off a thin flap in the cornea, and then use a special laser to reshape the cornea. The flap is then returned, and should heal in about an hour. This procedure can be done all in the span of around 10 to 15 minutes per eye, and involves minimal pain or discomfort to the patient.
This quick and easy-to-do nature of this operation has naturally made this very popular, even among those who are normally reluctant to go under any kind of surgery.
There are now many Lasik eye surgery centers making this procedure easily available to everyone.
The cost of Lasik eye surgery can range anywhere from $500 to $5,500 per eye and the average cost is about $2000. The prices can vary depending on the region and the reputation of the surgeon performing the operation. The equipment that the center uses is also a factor. Those opting for custom Lasik should expect to pay $200 to $400 more.
It’s important to be cautious of advertisements offering low-cost Lasik surgery. Surgeons advertising Lasik for less than $1000 per eye are probably of substandard quality or these offers actually contain many additional hidden fees. These can include things like consultation fees and essential follow-up care.
They might also require special requirements or are only applicable to certain circumstances. When all these hidden costs are added up, the overall price of these low cost operations might even surpass that of other Lasik eye surgeons, that openly includes these expenses in their evaluation.
There are things to consider when choosing a Lasik eye surgeon. Be sure to make sure to have all the necessary information regarding the surgeon performing the operation, the price of the operation and what this price covers. Be sure to make all the necessary inquires. This is especially true for those advertising discounted Lasik surgery.
Be sure to ask if there are any additional charges for further enhancement surgeries and follow-up care.
Ask how many follow up visits will be made. Centers only offering one or two are follow up visits or ask for an additional fee per visit are discouraged.
Any necessary medical enhancements should be covered for up to 1 year after the surgery. If not, be sure to be aware of any additional charges that are to be made.
Find out the cost of the medication needed. This includes painkillers, etc. Also special protective goggles or glasses might be needed as well.
If you are considering Lasik eye surgery it is important to remember to prioritize the safety of your eyes over the potential cost. Although minimal, there is a risk involved with undergoing any surgery. It is advisable to choose a reputable eye surgeon who’s done at least 1000 successful Lasik eye surgeries, even if it might cost more, to minimize the risk of complications occurring.
Most Lasik eye center offer very reasonable payment plans, so that anyone can get Lasik surgery and pay for it in a way that works for them.
Lasik eye surgery is the most advanced laser procedure that can be performed on the eyes. It can correct several common eye defects such as nearsightedness, farsightedness and astigmatism. This eliminates the need to wear clunky spectacles or even contact lenses. Lasik eye surgery can give you greatly improved eyesight and even up to a 20/20 vision.
This procedure makes use of special laser that directly treats the cornea and corrects the abnormality.
First, the surgeon will slice off a thin flap in the cornea, and then use a special laser to reshape the cornea. The flap is then returned, and should heal in about an hour. This procedure can be done all in the span of around 10 to 15 minutes per eye, and involves minimal pain or discomfort to the patient.
This quick and easy-to-do nature of this operation has naturally made this very popular, even among those who are normally reluctant to go under any kind of surgery.
There are now many Lasik eye surgery centers making this procedure easily available to everyone.
The cost of Lasik eye surgery can range anywhere from $500 to $5,500 per eye and the average cost is about $2000. The prices can vary depending on the region and the reputation of the surgeon performing the operation. The equipment that the center uses is also a factor. Those opting for custom Lasik should expect to pay $200 to $400 more.
It’s important to be cautious of advertisements offering low-cost Lasik surgery. Surgeons advertising Lasik for less than $1000 per eye are probably of substandard quality or these offers actually contain many additional hidden fees. These can include things like consultation fees and essential follow-up care.
They might also require special requirements or are only applicable to certain circumstances. When all these hidden costs are added up, the overall price of these low cost operations might even surpass that of other Lasik eye surgeons, that openly includes these expenses in their evaluation.
There are things to consider when choosing a Lasik eye surgeon. Be sure to make sure to have all the necessary information regarding the surgeon performing the operation, the price of the operation and what this price covers. Be sure to make all the necessary inquires. This is especially true for those advertising discounted Lasik surgery.
Be sure to ask if there are any additional charges for further enhancement surgeries and follow-up care.
Ask how many follow up visits will be made. Centers only offering one or two are follow up visits or ask for an additional fee per visit are discouraged.
Any necessary medical enhancements should be covered for up to 1 year after the surgery. If not, be sure to be aware of any additional charges that are to be made.
Find out the cost of the medication needed. This includes painkillers, etc. Also special protective goggles or glasses might be needed as well.
If you are considering Lasik eye surgery it is important to remember to prioritize the safety of your eyes over the potential cost. Although minimal, there is a risk involved with undergoing any surgery. It is advisable to choose a reputable eye surgeon who’s done at least 1000 successful Lasik eye surgeries, even if it might cost more, to minimize the risk of complications occurring.
Most Lasik eye center offer very reasonable payment plans, so that anyone can get Lasik surgery and pay for it in a way that works for them.
