Laser-assisted in-situ keratomileusis (LASIK) eye surgery is a process that rectifies vision-related conditions, minimizing or preventing the use of corrective lenses or traditional eyeglasses.
LASIK eye surgery is the most widely recognized kind of refractive surgery. During the refractive surgery procedure, the dome-shaped clear tissue (cornea) located in front of the eye undergoes certain modifications.
The major purpose of the LASIK eye surgery is to divert (refract) rays of light to concentrate more directly on the retina instead of falling short or beyond the retina.
The main aim of the LASIK eye surgery is to create a sharper and clearer vision.
Why it's done
LASIK eye surgery might be the solution for those suffering from any one of the following eye conditions:
- Farsightedness (hyperopia).
- Nearsightedness (myopia).
Your ophthalmologist will probably suggest that you attempt different correctional methods for your vision impairment, for example, wearing eyeglasses or contact lenses, and consider LASIK eye surgery or another comparable refractive procedure as a last resort.
Just like any other surgical procedure, LASIK eye surgery involves some risks, such as:
- Halos, glare, and dual vision.
- Flap issues.
- Vision lapse to pre-surgery state.
- Dry eyes.
- Visual changes or impairment.
Complications that increase dangers
Some medical complications can make the risks connected with LASIK surgery to get worse or give a less than desired result. Eye specialists may not prescribe laser surgery for individuals suffering from some specific health complications.
These health problems are:
- Autoimmune syndromes, for example, rheumatoid arthritis.
- Immunodeficiency disorders brought on by immunosuppressive medicines or HIV
- Recurring dry eyes.
- Impaired vision caused by prescription drugs, pregnancy, age, hormonal changes or breast-feeding.
- Different eye problems, for example, keratitis, keratoconus, cataracts, herpes simplex influencing the eye range, uveitis, glaucoma, eye wounds or lid conditions.
LASIK may not be recommended for individuals that:
- Have genuinely great vision
- Have extremely thin corneas or very large pupils
- Have an occupation that might be hindered if they undergo LASIK eye surgery
- Have age-associated eye complications that causes clouded vision (presbyopia)
- Are involved in physical games that might attract punches to the face
Prior to going in for LASIK surgery, your specialist will enumerate the advantages and dangers associated with LASIK surgery, your desires, what's expected pre- and post- surgery, and respond to any of your inquiries.
During the pre-surgical eye examination, the eye specialist conducts a comprehensive medical and surgical examination as well as an extensive eye checkup.
During the pre-surgical eye exam, your specialist will assess your visual capabilities and search for any indications of eye disorders, dry eyes, inflammation, dilated pupils, and elevated eye pressure and so on.
The specialist will likewise take measurement of the cornea, taking note of the thickness, shape, curve and any anomalies.
The ophthalmologist additionally assesses which parts of the cornea require reshaping. The eye specialist conducts certain exams to measure the cornea's shape and curve to decide the exact measure of tissue to take out from the cornea.
Ophthalmologists usually make use of wavefront-guided innovation to properly examine the eye prior to performing LASIK surgery. During this exam, a scanner makes an exceptionally comprehensive graph, like a land map, of your eye. Hypothetically, the more definite the estimations, the more exact your eye specialist can be in evacuating corneal tissue.
It takes half an hour or less to conduct the LASIK eye surgery procedure. While conducting this surgery, the patient lies on their back in a reclining seat. You might be administered with a relaxation drug. Subsequent to placing desensitizing drops in the eye, the specialist holds the eyelids open using a special instrument.
Right before the corneal flap is cut; a suction ring is set on your eye and may add pressure causing your vision to blur a bit.
The eye specialist slices off a hinged flab roughly the same size as a contact lens from the front of your eye using a slicing laser or little blade. Rolling back the fold creates the opening for the specialist to reach that section of the cornea that needs reshaping.
The eye specialist now reshapes he exact areas of the cornea using the cutting laser. When the reshaping process is done, the flap is rolled back into its position and often recuperates without needing stitches.
While the surgery is ongoing, you'll be required to concentrate on a point of light. Gazing at this particular light plays a role in holding your eye steady while the cornea is reshaped sing the laser.
You may notice an unmistakable smell as the laser cuts through the corneal tissue. A few people say it has a similar smell to that of burning hair.
In the event that an individual requires LASIK surgery in both eyes, the eye specialists often carry out both surgeries around the same time.
Right after LASIK surgery, you might feel a tingling, burning and watery sensation on your eye. Your vision will most likely be clouded. You will for the most part feel a little discomfort, and you'll generally regain vision quite fast.
Eyedrops or pain medications may be administered to help you relax for a few hours following the surgery. Your eye specialist may likewise request that until your eye mends fully, you should cover it with a special shield at night.
Vision will be restored right after the procedure, though it will be clouded and unclear for some time. It requires about a few months after surgery for your eye to recuperate fully and your vision to become clear. Your odds for better vision are dependent, to some extent, on the state of your vision prior to the surgery.
You'll have a subsequent appointment with the eye specialist a few days following the LASIK surgery for the specialist to checkup on your recuperation progress and for any issues.
Schedule a few other appointments over the initial six months following your surgery as prescribed by your specialist.
It is suggested that you don't apply cosmetics around the surgery until a couple of weeks after the surgery. You may likewise need to give it a few weeks before engaging in any physical games, swimming or soaking in hot tubs.
Ensure you adhere to the suggestions of your specialist on the time frame before you can engage in your regular responsibilities.
Refractive surgery usually gives individuals the possibility of better vision without the bother of contact lenses or eyeglasses. As a whole, you have a decent shot of attaining 20/25 vision or higher following a refractive surgery.