SMILE Pro for Myopia: A Complete Guide

Short-sightedness affects a large share of the population in the UAE and worldwide, and it is the original and best-established indication for lenticule extraction. Understanding what the procedure does to a short-sighted eye makes the rest of the conversation (about limits, about residual prescription, about what happens in twenty years) much more concrete.

What is short-sightedness doing to the eye?

In a short-sighted eye, the cornea and lens focus light in front of the retina rather than on it. Distant objects are blurred; close objects are clearer, which is why short-sighted people often notice the problem when they look up from a book rather than when they read one.

The usual cause is a cornea that is too steep, or an eye that is slightly too long, or a combination. Refractive surgery addresses the cornea, so it works on the part of the problem it can reach.

How does SMILE Pro correct it?

Correcting short-sightedness means flattening the centre of the cornea so that light focuses further back: onto the retina.

In SMILE Pro, the femtosecond laser creates a lenticule whose thickness profile is calculated to produce exactly that flattening. Removing the lenticule leaves the cornea flatter in the centre than it was. The prescription determines how much tissue has to come out.

What limits how much can be corrected?

The cornea has to keep enough substance beneath the treated area to remain structurally sound, which sets a practical ceiling on how much tissue can be removed. That ceiling is not a fixed prescription number: it depends on your corneal thickness and the shape measurements taken before surgery. Two people with the same −6.00 prescription can get different answers.

Where the numbers do not work, the usual options are a different technique, a partial correction with the remainder managed with glasses, or no surgery. Implantable lenses are another route for higher prescriptions, which is a conversation for an ophthalmologist rather than a website.

Does prescription stability matter more than size?

They matter differently. A large but stable prescription is a technical question about tissue. An unstable prescription is a timing problem that no amount of tissue solves.

Operating on an eye whose prescription is still progressing means the result is measured against a target that is already moving. Most clinics want a documented period of stability before proceeding, and they may ask you to come back in six months or a year to confirm it. If you are in your early twenties and your prescription has changed in the last year or two, that is the conversation to expect, not a no, but a not yet.

Can my short-sightedness come back?

Refractive surgery changes the cornea; it does not stop the underlying process that caused the short-sightedness in the first place. A small drift over the following years is possible, and where the process is still active, more than a small drift is possible.

This is why stability matters, and why it is worth asking a clinic what they see in their own long-term follow-up rather than what is typical in general. Residual or recurrent prescription is a possibility to plan for, not a complication to be surprised by.

Does correcting myopia affect eye pressure or eye health?

There is a body of literature on how refractive surgery affects the measurement of intraocular pressure and the biomechanics of the cornea. The practical implication for a patient is straightforward: if you later need your eye pressure assessed (for example in glaucoma screening) the clinician needs to know you have had refractive surgery, because the standard measurement can read differently afterwards.

Tell any ophthalmologist or optometrist you see in future that you have had a corneal refractive procedure, which one, and when. That information belongs in your eye records permanently.

What this means for you

If you are short-sighted and stable, SMILE Pro is a legitimate option to discuss. The things worth establishing at consultation are specific: how much tissue your correction would require, how much would remain, what the clinic expects for a prescription like yours, and what would happen if the result left a residual prescription.

Ask for the topography and thickness numbers, not just the conclusion. A clinic willing to show you the measurements and explain the arithmetic is one where the conversation is about your eyes rather than about the procedure.

Our eligibility page explains each measurement, and the cost guide covers what a complete quote should contain.