ABOUT SMILE SURGERY

Small incision lenticule extraction (SMILE) is the newest type of surgery that uses the femtosecond laser technology for treatment of myopia and astigmatism refractive errors. Using the most modern femtosecond laser device, the middle layer of the cornea is precisely incised 3 to 3.5 mm in diameter and then removed. In this procedure, the most important layer of the cornea, which has the most important role in its strength, is kept intact. Due to lesser incision of corneal nerves in this method compared to femtoLASIK, PRK, and LASEK surgeries, dry eye complications that usually occure in the first 3 months is reduced. In addition, the procedure is without pain and eye watering and the patient is recovered and can return to social activities from the day after the operation. This is the first and best choice for all patients with myopia and astigmatism, especially for those with thin corneas. The femtosecond device operates at a frequency of 500 kHz, and its features include the least amount of energy entering the cornea, the least increase in intraocular pressure, curved PI, and smart bed. This method can also be used to create flaps and tunnels for intraocular rings and corneal transplants. However, the device’s unique feature is the ability to perform SMILE surgery, known as the least invasive treatment for myopia and astigmatism.

• Take a bath the night before surgery.
• Avoid using perfumes and cosmetics around the eyes.
• Avoid using soft lenses for at least 3 days and hard lenses for 3 weeks before surgery.
• Tell your doctor if you have any allergies.

Intraoperative Instructions

Note that these surgeries are painless and your cooperation plays a very important role in achieving the right result. So stay calm and follow your doctor’s instructions during surgery.

• Look at the flashing green light and avoid moving your eyes and head during the operation.
• Depending on the type of laser used, the surgery duration is about 20 seconds. Therefore, do not move your eyes during the time you hear the laser beam.
• Don’t worry about blinking during the procedure because your eyelids are kept open by a device. Avoid squeezing and frowning during the operation.
• Do not bring your hands close to the operating area as it can result in contaminate.

Postoperative Instructions

• Avoid rubbing your eyes.
• Wear sunglasses when exposed to sunlight.
• Don’t wash your eyes in the first few days.
• Avoid swimming for up to a month.
• Use painkillers in case of minor pain.
• If necessary, drive a few days after the operation with complete caution.
• Avoid putting pressure on your eyes in the first few weeks.