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Know your Options

The decision to have vision correction surgery is an important one. This document briefly compares the three most common corrective eye procedures: Visian ICL, LASIK, and PRK. We look forward to discussing your options with you.

The ICL

The ICL (Implantable Collamer Lens) is a corrective lens placed inside the eye to improve vision without removing corneal tissue, ideal for patients with high prescriptions or dry eyes.

LASIK

LASIK is a two-step laser vision correction surgery where a flap is made on the surface of the eye called the cornea, and the underlying layers are reshaped with an excimer laser to correct vision.

PRK

PRK is a laser vision procedure similar to LASIK but no corneal flap is created. The top layer of the cornea called epithelium is removed, and the underlying tissue is reshaped to correct vision.

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Determining Candidacy

This chart breaks down the general candidacy guidelines for each procedure. During your initial consultation, your eye care professional will discuss your measurements and help you make the right choice depending on your unique vision.

Frequently Asked Questions ICL Comparison

Is ICL Better Than LASIK?

For some eyes, clearly yes; for others, LASIK remains the right call. ICL wins for high prescriptions, thin corneas, and significant dry eye, and it is the only fully reversible option. LASIK wins on speed of recovery, treats farsightedness, and involves no lens sizing. Because Dr. Cohen performs both — along with PRK and SMILE — at Cohen Eye Institute, the recommendation follows your measurements, not one procedure's marketing.

If I Qualify for Both ICL and LASIK, How Do I Choose?

Start with what each does best. If your prescription is moderate, your corneas are healthy, and you want the fastest recovery, LASIK is hard to beat. If your prescription is high, your corneas are thin, dry eye is a factor, or reversibility matters to you, the ICL earns its premium. When both are truly on the table, Dr. Cohen walks through the trade-offs with your actual measurements in front of you — and there is no wrong answer between two good options.

Which Procedure Is Best if I Have Dry Eyes?

EVO ICL, in most cases. It involves no treatment of the corneal surface, so the nerves that drive tear production are untouched. Among the laser options, SMILE is the gentler choice for borderline dry eye because its small opening spares more of those nerves than a LASIK flap. Patients told elsewhere that dry eye rules out vision correction entirely often learn at consultation that it only rules out one procedure.

Which Procedure Is Safest for Thin Corneas?

The ICL, without question — it removes no corneal tissue at all, so corneal thickness is simply not part of its safety equation. Among laser options, PRK preserves more tissue than LASIK because it uses no flap. A cornea deemed too thin for LASIK elsewhere is one of the most common reasons patients come to Cohen Eye Institute for a second opinion, and most leave with a viable plan.

Which Procedure Is Best for Astigmatism?

All three can correct it; the question is which corrects yours best. Regular astigmatism responds well to LASIK, SMILE (up to 3 diopters), and the toric EVO ICL alike. Complex or irregular astigmatism is where the practice's depth matters: Dr. Cohen's FAZE approach treats corneal irregularity that standard laser profiles cannot, and topography-guided options extend what is possible. Astigmatism almost never disqualifies a patient here — it just determines the tool.

Which Procedure Has the Longest Track Record?

PRK is the elder statesman, in use since the late 1980s, with LASIK close behind from the 1990s. The ICL has been implanted worldwide since the 1990s and FDA approved since 2005 — Dr. Cohen performed the first ICL in New York and New Jersey in 2008. SMILE, approved in 2016, is the newest. All four now have track records measured in decades and millions of procedures; none is experimental.

Can Any of These Procedures Fix My Reading Vision?

Not fully — reading changes after 45 come from the natural lens stiffening, which no corneal procedure or ICL prevents. One partial strategy exists: blended vision, where one eye is tuned slightly for near, suits some patients and can be trialed in contact lenses first. For a complete answer, Refractive Lens Exchange replaces the aging lens with a multifocal or extended-range lens, restoring distance and near together — permanently, and without a cataract in your future. Dr. Cohen will tell you honestly which path fits your eyes and your age.

Which Procedure Is the Most Comfortable to Recover From?

ICL and LASIK are the gentlest — most patients are comfortable within a day, with ICL patients often surprised at how uneventful recovery feels. SMILE follows closely. PRK asks the most patience: several days of surface discomfort while the outer layer regrows, in exchange for its structural advantages. Comfort differences last days; the results last decades — so recovery comfort should inform the choice, not drive it.

Can Someone Who Has Already Had LASIK Get ICL?

Yes. Prior LASIK does not prevent ICL placement, because the ICL works inside the eye, behind the iris — a different anatomical territory from the corneal surface LASIK treated. It is one of the most useful options for patients whose prescription changed years after LASIK, or whose original surgery left them under-corrected. Careful measurement of the post-LASIK eye guides the plan.

Is ICL the Only Reversible Option?

Yes. LASIK, PRK, and SMILE all reshape the cornea by removing tissue, and that reshaping is permanent. The ICL adds a lens without removing anything, so it can be taken out — restoring the eye to its pre-surgical state — or exchanged if your needs change decades from now. For patients who value keeping every future option open, that reversibility is often the deciding factor.

What Would Disqualify Me From All Three Procedures?

Genuinely few things — but they exist: an unstable prescription that is still changing, active eye disease such as uncontrolled glaucoma or significant cataract, certain corneal conditions, and some autoimmune or healing disorders. A developing cataract is not a dead end; it usually means the better procedure is lens replacement, which corrects the vision and the cataract in one step. The honest outcome of an evaluation is sometimes "not yet" or "a different procedure" — and both are better than the wrong surgery.

Why Does ICL Cost More Than LASIK?

Because each ICL is a custom-manufactured lens, built to your exact prescription and the measured internal dimensions of your eye, and the procedure takes place inside the eye rather than on its surface — demanding a higher level of planning, sizing precision, and surgical experience. You are paying for a device made once, for you, and for the judgment that places it correctly. For the patients ICL serves best, particularly high prescriptions, the visual quality justifies the difference.

Enhancing Your Vision

Guiding you toward the procedure that fits your unique needs, so you can see the world clearly and confidently.

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