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ReLex SMILE (Small Incision Lenticule Extraction)
ReLex SMILE at Grewal Eye Institute

SMILE: The 3rd Generation Laser Vision Correction

In a relatively brief span of 30 years, refractive surgery (removing spectacles or eye glasses) has evolved through three generations of procedures: PRK, LASIK, and now SMILE. Each generation has its own particular set of pros and cons that makes it suited to particular eye and patient. LASIK has dominated the field of refractive surgery to date. This is especially true following the introduction of the Bladefree femtosecond laser as a substitute for the blade Lasik. In the minds of prospective patients, LASIK and "bladefree" have become the gold standard for refractive surgical correction. A new type of refractive vision correction technique is now available as RelEx SMILE. ReLex Smile is an alternative to Lasik but not beyond Lasik which is tested for more than two decade. In the process, it leaves the cornea intact's anterior lamellae. Excimer Laser is not required in ReLEx technology for the correction of vision. Small incision lenticule extraction ReLEx or SMILE is a laser correction method of new generation, which makes use of a femto second laser. Two cuts at corneal layer is required to separate lenticule and then to remove it.

Steps in ReLex SMILE Procedure:
Step 1 of 6. ReLex SMILE.

Step-1

SMILE is a single step laser treatment. View of Cornea.
Step 2 of 6. ReLex SMILE.

Step - 2

Laser creates lower layer of lenticule inside Cornea.
Step 3 of 6. ReLex SMILE.

Step - 3

Laser creates upper layer of lenticule inside cornea.
Step 4 of 6. ReLex SMILE.

Step - 4

A 4mm small incision being created to remove lenticule into the cornea.
Step 5 of 6. ReLex SMILE.

Step - 5

The surgeon removes the lenticule through the small access from cornea.
Step 6 of 6. ReLex SMILE.

Step - 6

SMILE removes the disadvantages of discomfort and long recovery of other surface treatments like LASIK. Experience the new clear world without spectacles.

Some FAQs

play_arrowWhat is SMILE? It is an acronym for Small Incision Lenticule Extraction (SMILE). It is a minimally invasive and innovative procedure wherein instead of the excimer laser ablating the cornea, the femtosecond laser is used to create a lenticule which is then extracted through a keyhole corneal incision (2-4mm incision compare to 20mm used in Lasik).
play_arrowWhy should I prefer SMILE? It is completely painless and flapless procedure. 99% of complications in LASIK and Bladefree LASIK are due to the flap. Since SMILE has no flap, there are no flap related complications. It gives high stability in the long term with less chance of number coming back.
play_arrowWhat are the key advantages of SMILE? Shorter recovery time, No dry eyes, No flap related complications and safer procedure for patients engaged in active sports.
play_arrowIs this procedure accurate? YES. Not only it is highly accurate, it is also highly predictable and stable.
play_arrowIs it safe?It is very safe.
play_arrowAm I a suitable candidate? Advanced Cornea imaging tests are required to confirm if you are a suitable candidate. Some patient who may not be suitable for conventional Lasik can also be treated with SMILE. You have to visit Grewal Eye Institute for a detailed examination.

Advantages of ReLex SMILE?

A study published in the Journal of Refractive Surgery showed "considerably higher" postop tensile strength with SMILE than with either LASIK or PRK. Three disadvantages of LASIK are a) the increase in the tendency for dry eyes b) the small possibility of a flap displacement and c) weakening of the cornea because the flap does not contribute to the corneal strength. SMILE has a much shorter treatment time compared to LASIK.
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