Laser Assisted In-situ Keratomileusis or LASIK, is an outpatient procedure used to treat myopia (near sight), hyperopia (far sight) and astigmatism. In LASIK, your ophthalmic specialist uses a microsurgical instrument and a specialized Excimer laser beam is used to reshape the cornea. Reshaping your cornea alters the focusing power of the eye, allowing you to become less dependent on glasses or contact lenses. In most people, LASIK allows you to do without them entirely.
For many years, the only way people could correct their vision was to wear spectacles. Over the last forty years, contact lenses have become increasingly popular as their design and availability has improved.
More recently, LASIK has been a major breakthrough among vision correction techniques. With its outstanding results, LASIK has rapidly gained acceptance as a realistic alternative and enabled millions of people worldwide to enjoy a new found freedom living their lives without the inconvenience of glasses or contact lenses.
The Cornea provides two thirds of the eye's focusing power. Altering its shape changes the power of the eye. LASIK flattens the cornea to correct myopia (near sight) and steepens the cornea for hyperopia (far sight). The reshaping process can also be used to correct astigmatism at the same time.
The specialist creates an ultra thin corneal flap, using a highly specialized instrument called a microkeratome. The Excimer Laser is then used to reshape the cornea under the flap. The flap is replaced and adheres firmly and fully without the need for stitches. With the flap in place, the eye recovers quickly and vision is rapidly restored with minimal discomfort.
Our experienced specialists, after exhaustive research, have decided on the MEL 80 Excimer Laser, manufactured by Carl Zeiss, Germany, renowned for their innovative and cutting edge equipment. The MEL 80 incorporates the latest WAVEFRONT technology for diagnosis and treatment, allowing CUSTOMISED treatment for all. With its industry leading parameters in speed, laser spot size and tracking, the MEL 80 sets new standards in delivering accurate and consistent visual results.
Like any procedure on the body, LASIK has risks and complications that should be carefully considered. Sight threatening risks are extremely rare and should not be a cause for concern. Most complications are minor and can be treated without any loss of vision. Some people experience temporary side effects after LASIK that disappear in time.
If you have been waiting for a safe alternative to set you free from your spectacles and contact lenses, then LASIK may be your answer.
LASEK / EPILASIK: This procedure also incorporates excimer laser to change the focusing power of the cornea. This procedure is recommended for cases with thinner corneas.ICL (Implantable Collamer Lens) Implants: Introduction of a thin collamer lens inside the eye. This is indicated in patients with very high refractive errors with excellent results.
Cornea Transplantation is one of medicine's big success stories. For patients, it's little short of a miracle-a one-hour operation that can restore that most precious of senses, our sight. It is one of the most commonly performed transplant operations and with modern surgical techniques and drugs the success rate is very good.
Why do people need transplants?
The transparent cornea tissue is very thin and when damaged by injury or disease it can become cloudy or lose its natural shape, both of which can lead to blindness or limited sight.
Among older people, age-related or inherited conditions.
People in their 20s and 30s, Keratoconus (in which the cornea becomes progressively thinner).
To treat painful diseases or trauma.
Infections: In rare cases, a cornea transplant might be needed if there's an infection in the cornea that does not respond to antibiotics and keeps returning.
To treat corneal blindness because of trauma or disease
How does cornea and tissue donation work?
Cornea and tissue donation is only considered after a patient has died. One donor can restore the sight of two people through a cornea transplant. Donated corneas are stored in Corneal Transplant Service Eye Banks and can be kept for up to four weeks.
Corneal tissue can be stored in a special eye bank for up to four weeks before transplant, which helps ensure that donated corneas are available for emergency use as well as for planned operations.
The urgent need for more donors:
Sadly many corneas that could be donated go to waste because people have not registered or told their loved ones of their wish to donate. About 2,000 people become donors each year, but there remains a shortage of corneal tissue for transplant and many more patients could benefit from this life-changing operation if donation increased.
Manipal Eye Care provides the facility for Eye donation. To become a future donor, just walk into Manipal Eye Care Out Patient Department, and pledge your eyes.
What is squint or strabismus?
Six muscles control the movement of each eye. Each of these muscles acts along with its counterpart in the other eye to keep both the eyes aligned properly. A loss of coordination between the muscles of the two eyes leads to misalignment. Squint is a misalignment of the two eyes where both eyes are not looking in the same direction. This misalignment may be constant or may be present throughout the day or it may appear occasionally and the rest of the time the eyes may be straight; this is called as intermittent squint.
What causes squint?
The exact cause of squint is not known. The reason could be:
When both the eyes have good vision and are aligned properly, they focus on the same object, and sends picture of the same object, from different angles. These two images reach the brain where they are fused to form a single 3D or three- dimensional picture, known as a 3D vision. This gets affected in children with squint.
What are the problems faced by a patient with squint?
When the eyes are not aligned properly, each of the eyes is focusing on a different object and sends signal to the brain. These two different images reaching the brain lead to various problems that are different in children and adults.
In children it can cause loss of depth perception (3D vision) and lazy Eye Disease (poor development of vision in the squinting eye).
An adult can't ignore the image from either eye, and therefore they can have double vision. This can be very annoying and may interfere with work. Loss of 3D vision and cosmetic deformity are also causes of concern.
In a child, the parents may notice the deviation of eyes. It is important to remember that the eyes of a newborn are rarely aligned at birth. Most establish alignment at 3-4 weeks of age. Therefore squint in any child who is more than one month old must be evaluated. Adults noticing double vision, or misalignment of the eyes should get themselves checked up too.
Early treatment can help save the vision.
Children rarely outgrow a true squint. If treatment is delayed after the age of eight, the child will see with only one eye even after the squint is corrected by surgery. This is because until the age of eight both the eyes develop and work together. When there is a squint only one eye works. If the squint is operated upon after the age of eight, only a cosmetic result can be achieved as the eyes are already developed by then.
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