Reasons why Lasik surgery leads to dry eye are as follows. In the process of a Lasik procedure, there must be a corneal flap created by either a steel blade or a laser, during which the corneal tissue and corneal nerves are supposed to be broken up. What is more, the following reshaping of corneal by laser will come to further disrupt the nerve tissue. If the patient suffer from a comparatively more seriously eyesight problem, the nerve tissue is thought to be cut deeper, which does more side effect to eyes. Then due to the whole disruption, the nerve tissue, when recovering and regenerating, is normally hard to produce tears to keep eyes moistened. Thus dry eye symptoms emerge.

( What is more, for supplement only, whether the corneal surface and tear lay are created to be qualified or smooth is closely related to another eyesight problem of “ghosting” and “fuzziness”, as when light comes into eyes, it meet with the tear layer at the very first. If the corneal surface or tear layer is of irregularity and deficiency, visual acuity will be greatly affected.)

As a surgeon, considering the possible side effects of dry eyes, and ghosting or fuzziness images creation, I advise several ways to minimize those possibilities after operation: have an overall examination concerning eyes, including the evaluation of preexisting dry problems; apply the Intralase FS lasers, but not the steel razor blade microkeratome to create the corneal flap, which is believed to be more able to minimize unsmooth and unqualified corneal surface and tear layer; after the surgery, use artificial tears and gel lubricants for a series of days. Those who do not have the experience of dry eyes after lasik surgery are also suggested to. The cyclosporine 0.05% eye drops (Restasis) are recommended.

It has been researched that the above regimens are able to relieve dry eyes, as well as other eye problem after Lasik surgery. By persisting in the regimens, improvement of eyesight, but also the prevention from secondary side effects can be guaranteed. Besides, get more information of Lasik surgery in advance is also helpful to enhance the outcomes.

more info

·Dry eye causes and treatments

·Flaxseed oil for dry eye treatment

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The YAG laser, one of the most common types of lasers, is a solid-state laser used in various fields like ophthalmology. YAG lasers have a 1054 mm wavelength and can be operated in pulsed mode as well as continuous mode. The most common eye surgeries in which the YAG laser is used are cataract surgery and peripheral iridotomy. YAG lasers with frequencies of 532mm wavelengths are used for photocoagulation.

The excimer laser is probably the most widely used kinds of lasers in optometry. Instead of burning through matter, excimer lasers shoot out energy that breaks apart the molecular bonds of the eye’s surface tissue. These molecules thus disintegrate into the air, and there is no burning involved. Excimer lasers can remove incredibly thin layers of eye material without impacting the remaining tissue. So these types of lasers are often used in precision surgeries.

The microkeratome laser is designed to forego the blade and use ultrashort-pulse femtosecond lasers to make the cut instead, which can minimize risks inherent in the microkeratome blade method. The microkeratome is a mechanical shaver that cuts a very thin flap out of the exterior layer of the cornea to allow for laser surgery.

The Krypton laser is a kind of gas laser using krypton ions in combination with electronic discharges, which is commonly used to treat macular degeneration, a disease that shows up often in the group of elderly people and results in the loss of a central field of vision due to a damaged retina.

The argon laser discovered by William R. Bennett can be emitted at various wavelengths in the ultraviolet spectrum. They commonly used in retinal phototherapy procedures. Diabetic patients often suffer from diabetic retinopathy. Argon lasers are used for panretinal photocoagulation to prevent retinopathy from further damage. They are also used in treating open-angle glaucoma.

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The most general type of laser eye surgery is LASIK, but all types are voted for out by a laser which reshapes the cornea and eliminates some corneal tissue to change the focussing power of the eye.

People must take probable complications into consideration and make an acquainted conclusion about whether to get laser eye surgery.

Major Complications asoociated with Laser Eye Surgery Flap Damage or Loss

Instead of conceiving a hinged flap of tissue on the centered cornea, the whole flap could arrive off. If this were to happen it could be restored after the laser treatment. However, there is a risk that the flap could be impaired or lost.

Distorted Flap

Irregular healing of the corneal flap could conceive a garbled corneal form, producing in a decline of best-corrected vision. It should be documented that whereas difficulties of laser eye surgery are uncommon your surgeon should announce you about them former to treatment

Double Vision

Two images emerge when looking through one eye at a time.

Time Glare

Headlight glare when going by car at night.

Night Myopia

This is a inclination for eyes to become more nearsighted at evening, premier to blurry vision. This can be amended by wearing crystal with minus lenses in the dark

Halos and starbursts

This happens when the student enlarges after the treated locality at nighttime.

Vision Blurring

This is when images emerge blurrier after the refractive surgery than before.

Flap Melt

The flap starts to disintegrate and may need surgical intervention.

Flap Dislocation

This is a status in which the corneal flap is not in correct alignment in the corneal bed. This is treated with surgical intervention.

Flap Wrinkles

A foremost or secondary flap dislocation makes flap wrinkles. This is treated with surgical intervention. This is all about complications associated with Laser Eye Surgery. Hope this will help you a lot. Cheers!

Andrew White is a eye care assistant and an expert on eye cure and care, laser eye surgery, lasik eye surgery and other types of eye surgeries. For more information on how to get rid of eye problems visit our website.

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In fact, lutein products can only help patients with bad vision, which is exactly caused by a lutein deficiency. Lutein in the eyes can protect eye tissue from the damage caused by free radicals, which are highly reactive atoms. These free radicals in the eye act on other healthy atoms and damage them, because they require a supply of free electrons. Lutein can effectively fight against these radicals.

In either dry or wet form, age-related macular degeneration is the most common result of these reactive radicals, especially in elderly individuals. And lutein has been found to reverse macular degeneration by combating these radicals and thus improve overall eyesight.

Accounting for 80% of vision defects, dry form of AMD is usually caused by abnormal growth of blood vessels below the retina, which in turn results from reactive chemicals in the tissue. Fortunately, lutein supplements have proven to reverse this condition a lot.

In fact, lutein acts like a neutralizing agent and prevents harmful light rays from damaging the tissue in the macula, which is situated in the center of the retina. As a result, a deficiency of lutein can lead to eye tissue damage.

Lutein is actually only one of the 600 carotenoids in the nature and it is the only one present in the macula of the eye. This lucky carotenoid is available from all the green leafy vegetables consumed by ordinary people every day. A healthy way is to take lutein by eating a nutritious meal every day, including lots of fruits and vegetables.

However, some people have no time to maintain such a balanced diet but they also want to get enough lutein every day. Nutritional supplements are a good choice for those people. It is important to strictly follow the doctor’s instructions on the dosage of these supplements and the way they are administered.

reference

·Lutein and zeaxanthin for healthy eyes

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Dr. Edward Kondrot, an ophthalmologist who includes homeopathic remedies in his practice, recommends taking Ruta Gaveolens. Ruta reduces stiffness in the eye and eyelids that can lead to eye strain and headaches. Ruta is especially useful for those sensitive to light.

Argentum Nitricum is helpful when you might be overusing your eyes or doing extensive detailed work. It helps the eyes by strengthening the eye muscles, which in turn keeps the vision focused and steady.

Use homeopathic tissue salts. Tissue salts taken for over six months can help improve vision. Cindee Gardner, PhD, a homeopath, writes that these tissues salt “help rebuild the eyes and tissues at a cellular level.” Tissue salts to try include Magnesia Phosphorica and Calcarea Fluorata.

Kali phosphoricum has been used for blurred vision and tired eyes. According to the Truestar Health Encyclopedia, “This remedy can be helpful when exhaustion from illness, overwork, or stress has led to eyestrain.”

After reading this article, I went to the Wikipedia website to search the homeopathy and I found it was so famous a treading method that everyone should know it while I myself should don’t know! How ignorant I am! So I decided to study homeopathy seriously.

I learned that homeopathy is a form of alternative medicine, first proposed by German physician Samuel Hahnemann in 1796 that treats patients with heavily diluted preparations which are thought to cause effects similar to the symptoms presented. Homeopathic remedies are prepared by serial dilution with shaking by forceful striking, which homeopaths term “succussion,” after each dilution under the assumption that this increases the effect of the treatment. Homeopaths call this process “potentization”. Dilution often continues until none of the original substance remains.

This article and the homeopathy suddenly made me interested in medical. Maybe when the next year I go to university, the major of medical will be one of my choices.

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This simple question is profound, because it touches on an invention that has changed the way in which the world views vision correction and has helped millions of people worldwide to see better without the aid of glasses or contact lenses.

For perhaps millions of years, much of human kind has suffered with vision problems. There are the serious eye diseases such as cataracts, glaucoma and a myriad of other problems. Beyond this is the simple fact that many people are unable to see clearly at distance, near, or both. This is from the imperfections of the eyeball as a camera and this was greatly helped over that last few hundred years by glasses and more recently in the last 50 years by contact lenses. Although with the advent of lasers, there was a hope that such technology could improve vision, limitations in the nature of the eye had limited laser application to vision correction until the advent of LASIK .

LASIK is a hybrid procedure, that is it involves two steps which together are able to improve vision very rapidly and predictably for patients with ametropias. The first step is to create a potential space for the laser to correct the vision and the second is to do the correction itself. In the early days of LASIK about 15-20 years ago , this potential space was made with a device called a microkeratome. This is a miniature shaver which can peel a thin layer of outer tissue from the cornea which remains attached at the edge or “hinge”. Another laser, the excimer laser then focuses on the freshly cut surface, and removes tissue in a programmed manner to reshape the eye. Finally, the flap is replaced which assumes the contour of the newly shaped cornea beneath it. It is the transfer of the shape combined with covering the treated area with living tissue that makes LASIK so remarkable. Healing occurs at the edge or seam of the flap and the eye barely knows that anything has occurred beneath. The vision is rapidly restored with no significant healing response, which is key to the success of LASIK.

Newer lasers, called femtosecond lasers, are able to make the flap layer more precisely without a cutting blade but fundamentally perform the same function. This all laser approach is a safer and slightly more effective way of restoring vision by LASIK. The current state of the art in LASIK is to use advanced femtosecond lasers such as our Visumax to make a flap, and a wavefront optimized excimer laser like our Zeiss or our Allegretto laser(s) to reshape the cornea. With this type of treatment we have a very low complication rate, and excellent vision results in most cases.

We become complacent very quickly with new technologies but it is a truly amazing and revolutionary accomplishment that in a procedure that lasts only a few minutes , a persons vision can be corrected from a lifetime of limitations.

Dr. Dishler is the first doctor to perform LASIK in Colorado, the first doctor to offer blade free LASIK in Colorado, and is a consultant, lecturer, and inventor. He is involved with several FDA studies and answers questions related to laser vision correction online.

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For 2 days prior to your surgery appointment, you will be asked to stop using any eye makeup and face creams. You are more likely to pick up an infection if there are any cosmetic products on your eyelashes. Your doctor will also tell you to wash your eye area (including eyelashes and eyebrows) with shampoo right before your procedure.

You will also have to go without perfume or cologne, because the fumes can actually affect the laser. Plan on having someone drive you and pick you up after your time at the hospital as your vision will be too blurry for safe driving. Same goes for your first post-op visit. Even if you plan on public transit, you should have someone accompany you for safety.

For the surgery itself, it really only consists of 2 major steps and the entire process will be over in just a few minutes.

Step 1 – Creating Corneal Flaps

Your eye is completely numbed with a topical anesthetic, and you may also be given a sedative to help you relax for the surgery.

A tool called a speculum is used to hold your eyelid open after being treated with antiseptic. The small flaps are then cut into your cornea with another instrument called a microkeratome. There are two kinds of microkeratomes. It may have an actual blade, or it can use a laser (usually called bladeless lasik or intralase). The laser version can make thinner flaps, making it a much better option for patients who can’t have traditional lasik surgery because they have cornea that is thinner than usual

Step 2 – Laser Ablation

After the flaps have been cut and folded back, the deeper corneal tissue, known as the “corneal bed” will be exposed. It’s here that the excimer laser will be applied, to ablate the corneal bed surface to change its shape. A computer program is used to help guide the laser, which will apply repeated pulses of ultraviolet (UV) light to the eye. Cells will be instantly vaporized without any damage to neighboring tissue.

This cell destruction will change the shape and curve of your underlying cornea. The flaps are then folded back into place and left to heal without stitches. When it heals, the refractive errors in your eye that required you to wear prescription lenses should be fixed now that the curve of the cornea has been adjusted.

Sam Shad is the editor of Online-Eye-Info.com, the comprehensive guide for maintaining healthy eyes and sight. Read more about post lasik operation care at his site.

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Eye correction is a commonly performed procedure. There are millions of eye tests carried out every year in the United Kingdom and around 75% of British adults wear glasses or contact lenses to correct vision.

Anyone seeking a more permanent solution to vision problems could investigate the possibilities offered by laser eye surgery. There are various methods of vision correction available so it is up to you to choose the one that suits your lifestyle and situation best.

LASIK eye surgery is a highly effective procedure that is suitable for most prescriptions. Performed by ophthalmologists using a laser, LASIK surgery uses a cool beam of light to gently reshape the front surface of your eye.

For short-sighted individuals the front surface of your eye is flattened with the laser. In cases of long-sightedness the central cornea is made steeper when the laser removes tissue in this area.

Astigmatism is corrected by reshaping the steepest part of the cornea and making it more spherical.

The first step in the laser eye correction process is to speak to your optometrist about the treatment that is right for your specific vision problem. A specialist refractive optometrist will be able to determine your suitability for LASIK eye treatment based on your personal prescription and what you want to get out of the procedure.

To ensure the best possible results some opticians treat most people over eighteen years old who have had a stable prescription for twelve months.

The entire LASIK procedure can be completed in about ten minutes and both eyes can be treated by LASIK simultaneously.

The procedure is performed on an outpatient basis. You will usually sit in a reclining chair and anaesthetic drops or a wash will be applied to your eyes in order to reduce discomfort and numb the area.

Next, a flap will be cut on the surface of the cornea and then folded back so that the ophthalmologist can reach the corneal tissue beneath it.

Your cornea is then reshaped dependent on your condition with computer-controlled pulses of cool laser light. When the right amount of tissue has been removed the flap that was removed at the beginning is now replaced in its original position where it will then heal naturally.

Immediately after the LASIK surgery your eyes may feel itchy and watery. You will most likely be prescribed certain medications or eye drops to help with the healing and you will probably be required to wear eye patches while you sleep at night.

Most people are able to drive and return to work within forty eight hours of having LASIK eye surgery, unless the work environment is particularly dusty or hazardous to eyes in any way.

Adam Singleton writes for a digital marketing agency. This article has been commissioned by a client of said agency. This article is not designed to promote, but should be considered professional content.

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There are generally two types: dry AMD and wet AMD, the former of which accounts for about 85-90 percent. Obvious symptoms of dry AMD include yellowish spots from deposits or debris from deteriorating tissue around the macula. Both macular tissue aging and thinning and pigment depositing can lead to dry AMD. Studies show that vitamin A, C and E may help prevent or slow progression of dry AMD. Dry AMD patients are also advised to wear sunglasses when outdoors. People with wet AMD have more severe problems: new blood vessels grow beneath the retina and leak blood and fluid, which damage light-sensitive retinal cells. Wet AMD is caused by the body’s misguided attempt to supply more nutrients and oxygen to the retina, which instead causes scarring and potential vision loss. Occult wet AMD has light blood leakage and less vision loss danger, while classic wet AMD has clear scarring and more vision loss danger.

If you have AMD, your central vision has shadowy areas. During a retinal exam, the doctor may detect early signs of AMD and then an Amsler grid can be used to measure your central vision. For a further affirmation, your retinal blood vessels surrounding the macula will be examined. Many researches have showed that macular degeneration is mostly caused by aging and eye tissue deterioration. Other confirmed or potential risk factors for AMD include drug side effects, smoking, family ADM history, high blood pressure, lighter eye color, obesity, over-exposure to UV lights, fat diet and so on.

AMD-affected people in their 90 develop vision loss at a possibility that is 15 times of that for people in their 60s. And overweight patients have a risk of advanced ADM that is double of that for people with normal body weight. Gene variants are also related to AMD, which is known as family disease. Smoking is reported to bring higher rates of vision loss on ADM patients. AMD occurs more frequently in whites, so that people with lighter eye color are suspected to suffer AMD at a higher incidence. Toxic drugs such as Aralen and phenothiazine may cause side effects that lead to AMD.

Currently, no outright cure is available for AMD. For dry AMD, FDA has never approved any treatment, although nutritional intervention may slow its progression. Those nutrients include zinc, lutein, zeaxanthin and vitamin A, C, and E. For wet AMD, FDA has approved drugs including Lucentis, Macugen and Visudyne to stop or slow abnormal blood vessel growth.

Since complete recovery from vision loss caused by ADM is impossible, regular Amsler grid tests are useful to detect underlying AMD risk. For people with vision loss, many low vision devices such as magnifying glasses are available.

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The surgery itself should take less than 30 minutes. You will lie on your back in a reclining chair in an exam room containing the laser system. The laser system includes a large machine with a microscope attached to it and a computer screen.

A numbing drop will be placed in your eye by a skilled Lasik surgeon Los Angeles laser eye surgery experts tell us, the area around your eye will be cleaned, and an instrument called a lid speculum will be used to hold your eyelids open.

Your doctor may use a mechanical microkeratome (a blade device) to cut a flap in the cornea. If a mechanical microkeratome is used, a ring will be placed on your eye and very high pressures will be applied to create suction to the cornea. Your vision will dim while the suction ring is on and you may feel the pressure and experience some discomfort during this part of the procedure. The microkeratome, a cutting instrument, is attached to the suction ring. Your doctor will use the blade of the microkeratome to cut a flap in your cornea. Microkeratome blades are meant to be used only once and then thrown out. The microkeratome and the suction ring are then removed.

According to a top Lasik doctor Los Angeles laser eye specialists may use a laser keratome (a laser device), instead of a mechanical microkeratome, to cut a flap on the cornea. If a laser keratome is used, the cornea is flattened with a clear plastic plate. Your vision will dim and you may feel the pressure and experience some discomfort during this part of the procedure. Laser energy is focused inside the cornea tissue, creating thousands of small bubbles of gas and water that expand and connect to separate the tissue underneath the cornea surface, creating a flap. The plate is then removed.

You will be able to see, but you will experience fluctuating degrees of blurred vision during the rest of the procedure. The doctor will then lift the flap and fold it back on its hinge, and dry the exposed tissue. The laser will be positioned over your eye and you will be asked to stare at a light. This is not the laser used to remove tissue from the cornea. This light is to help you keep your eye fixed on one spot once the laser comes on.

When your eye is in the correct position, your doctor will start the laser. At this point in the surgery, you may become aware of new sounds and smells. The pulse of the laser makes a ticking sound. As the laser removes corneal tissue, some people have reported a smell similar to burning hair. A computer controls the amount of laser energy delivered to your eye. Before the start of surgery, your Beverly Hills Lasik eye doctor will have programmed the computer to vaporize a particular amount of tissue based on the measurements taken at your initial evaluation. After the pulses of laser energy vaporize the corneal tissue, the flap is put back into position.

A shield should be placed over your eye at the end of the procedure as protection, since no stitches are used to hold the flap in place. It is important for you to wear this shield to prevent you from rubbing your eye and putting pressure on your eye while you sleep, and to protect your eye from accidentally being hit or poked until the flap has healed.

Andrew I. Caster, M.D. has performed over fourteen thousand procedures to correct nearsightedness, farsightedness, and astigmatism. Dr. Caster is widely considered one of the most knowledgeable Lasik surgeons in the United States. Los Angeles Magazine selected Dr. caster as “The Best Lasik Surgeon in Los Angeles” and W Magazine listed him as one of two top Lasik surgeons in the United States. For more information please visit: http://www.castervision.com/

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