Gregg Feinerman MD, FACS

Farsighted After 50? Why RLE Often Fits Better Than LASIK

If you are farsighted, you have probably had a strange relationship with your eyes. In your 20s and 30s you may have passed every eye exam without glasses, quietly working harder than everyone else to keep the world in focus. Then, somewhere in your 40s, the effort stopped working. Reading went first. Then the computer. Then, to your surprise, distance too. Now you wear glasses for everything, and the LASIK consultation you finally booked ended with “you are not a great candidate.”

That last part is common, and it is not the end of the road. For farsighted patients over 50, the lens-based procedure called refractive lens exchange (RLE) is often the better fit than any laser, and for reasons that go beyond seeing clearly. The anatomy that made you farsighted also carries a hidden risk that RLE happens to address. This post explains both.

Why farsighted eyes stop coping in your 40s

Farsightedness (hyperopia) usually means the eye is a little too short from front to back. Light focuses behind the retina rather than on it. A young natural lens can compensate: it flexes to add focusing power, which is why many farsighted people see well without glasses for decades.

Starting in the mid-40s, that lens stiffens. It can no longer add the extra power, and the farsightedness that was always there finally shows itself. This is why farsighted patients often feel their vision “collapsed” in a few short years: the reading problem everyone gets (presbyopia) and the distance problem that was hiding (latent hyperopia) arrive together. Surgeons call the underlying process dysfunctional lens syndrome, the stage before cataract when the lens stiffens, scatters light, and loses clarity.

Why LASIK is usually the wrong tool for a farsighted patient over 50

LASIK reshapes the cornea. For a farsighted eye, that means steepening the center of the cornea, and there are limits to how much steepening a laser can do well. High hyperopic treatments are more likely to regress and more likely to degrade the quality of vision. Beyond a certain prescription, most surgeons will not perform hyperopic LASIK at all.

The bigger issue is age. Over 45, I generally do not recommend LASIK, because the aging lens, not the cornea, is usually the real problem. In a farsighted patient the lens is doubly the problem: it has stopped compensating for the short eye and it has stopped focusing up close. Reshaping the cornea addresses neither. Even a technically perfect LASIK result in a 55-year-old hyperope leaves the lens aging behind it, with reading glasses now and a cataract later.

Refractive lens exchange for farsightedness: what it does

RLE replaces the aging natural lens with an intraocular lens (IOL) chosen for your anatomy and your life. It is the same operation as modern cataract surgery, performed earlier and on your schedule, before a cataract forms. It takes 15 to 20 minutes per eye, and I perform both eyes the same day.

For a farsighted eye, RLE has a specific advantage: there is no upper limit on the prescription it can correct. As a Duke University refractive surgeon put it in a 2026 review, corneal lasers have a ceiling on how much hyperopia they can treat, but “with RLE, there’s actually no limit to the refractive error that we can treat” (Review of Ophthalmology, August 2026). Distance, intermediate, near, and astigmatism can all be addressed in one procedure, and a replaced lens can never develop a cataract.

And because a farsighted patient who was never a LASIK candidate has an untouched cornea, the full lens menu is open: monofocal, enhanced monofocal, extended depth of focus, trifocal, and the Light Adjustable Lens™ (LAL). I often use a different lens in each eye, blended by the brain into one continuous range. Lens choice is personalized; no single lens is best for everyone.

Patient outcomes: high satisfaction in farsighted RLE

A 2026 review of RLE indications reported that patient satisfaction in high hyperopia is generally high when candidates are selected appropriately (Maldonado et al., Archivos de la Sociedad Española de Oftalmología, 2026). Retinal detachment, the risk I discuss most for RLE, runs about 1 in 500 overall but is lower in the short eyes of farsighted patients and higher in long, nearsighted eyes (Passaro et al., British Journal of Ophthalmology, 2025). Our outcomes are published at feinermanvision.com/results.

Refractive lens exchange for farsightedness may also prevent angle-closure glaucoma

Here is the part most farsighted patients have never been told.

A short eye is crowded. The front chamber of the eye (the fluid-filled space between the cornea and the iris) is shallower than average, and the drainage angle where fluid exits the eye is narrower. As the natural lens thickens with age, it pushes the iris forward and crowds that angle further. In some eyes the angle narrows enough to raise pressure, and in a few it can close, which is the mechanism of narrow-angle (angle-closure) glaucoma. Farsighted patients are the group most at risk, and many have no idea because a narrowing angle causes no symptoms until it causes a problem.

Removing the thickened natural lens and replacing it with a thin IOL deepens the front chamber and opens the angle. This is not a side effect; it is anatomy. A lens implant is a fraction of the thickness of a 55-year-old natural lens.

Clinical data: the EAGLE trial

The EAGLE randomized trial, published in The Lancet, compared removing the natural lens against the traditional laser iridotomy as the first treatment for primary angle closure and angle-closure glaucoma. Lens removal was more effective and more cost-effective (Azuara-Blanco et al., The Lancet, 2016). The same 2026 review that reported high satisfaction in hyperopic RLE noted that glaucoma risk in farsighted patients belongs in candidate selection (Maldonado et al., 2026). One of the surgeons who coined the term dysfunctional lens syndrome describes RLE in the short, hyperopic eye as potentially “curative for underdiagnosed forms of subclinical angle closure or crowded angles” (Review of Ophthalmology, August 2026). I explain the EAGLE trial in detail, including the three-year numbers and the refractive tradeoffs, in The EAGLE Trial: Why Lens Removal Can Beat Laser.

To be clear about why I do this surgery: RLE is a refractive procedure. Patients choose it to see at distance, at arm’s length, and up close without glasses, and to take a future cataract off the table. But in a farsighted eye with a shallow chamber and a crowded angle, the surgery has a second effect that is purely anatomic. Removing the thick natural lens opens the angle, and in some of these eyes that prevents an acute angle-closure attack that was otherwise waiting to happen. Corneal surgery does nothing for that anatomy. Only lens-based surgery does.

The same principle is already standard care further down the road. When a thickening lens has crowded the angle enough to raise the eye pressure, a condition called phacomorphic glaucoma, the treatment is to remove the lens and open the angle. That is the same operation; it is simply categorized as cataract extraction rather than RLE because the lens has become the medical problem. RLE in a narrow-angled farsighted eye addresses the same anatomy earlier, for refractive reasons, before pressure ever becomes an issue. When a farsighted patient’s exam shows a shallow chamber and a narrow angle, that finding moves RLE up my list, and I tell them why.

Refractive lens exchange for farsightedness is a surgeon’s procedure

Short eyes are also more demanding to operate on, which is worth knowing when you choose where to have this done.

In a short eye, the front chamber is shallow, the natural lens is disproportionately large, and there is less room for every surgical maneuver. Lens power calculations are also less forgiving: the same small error in predicting where the implant will settle produces a larger prescription surprise in a short eye than in a normal one. Every step, from the incision to the placement of the implant, has less margin for error.

None of that should scare you. It should shape your choice of surgeon. In my practice, short eyes get modern lens-calculation formulas built for unusual anatomy, biometry cross-checked on three separate devices, a gonioscopy exam to grade the drainage angle before we decide anything, and, when the calculation is genuinely hard to trust, the Light Adjustable Lens, which lets me fine-tune the power after surgery rather than predict it.

Why experience matters in the short eye

I was the first surgeon in Southern California to implant a premium IOL after FDA approval in 2003, and I have served as principal investigator in FDA clinical trials of new lens technology, including the enVista toric IOL. In 25 years of lens surgery I have operated on a great many short, farsighted eyes. I perform every consultation and every surgery myself, I call you the evening of surgery, and I ask every patient to save my cell phone number so they can reach me directly.

One surprise to expect: the world may look smaller

There is an optical quirk that catches farsighted patients off guard, and I would rather you hear it now.

Strong plus-power glasses magnify. If you have worn them for years, your brain has adapted to a slightly enlarged world. After RLE, the correction sits inside the eye at its natural optical center, so objects return to their true size. Patients describe it as everything looking a little smaller, or the television having shrunk. Your vision is sharper, not worse; your brain simply has to recalibrate, and it does. I mention this “miniaturization” effect to every strongly farsighted patient before surgery so it does not surprise anyone afterward.

Who this is NOT for

RLE is generally for patients 50 and older. If you are farsighted in your early 40s with a lens that still focuses well, you may not need lens surgery yet; a low-to-moderate prescription with a healthy cornea may still be a LASIK question, and EVO ICL™ may be an option for some eyes. If you still have a fair amount of natural focusing ability, replacing the lens would take it away, and I would rather wait.

I also screen carefully for retinal findings, significant dry eye, and macular disease, any of which changes the lens conversation or the decision itself. And if your angle is already closed rather than narrow, that is a glaucoma diagnosis first and a refractive decision second.

Risk deserves plain language. RLE is intraocular surgery, and it carries the same rare but serious risks as cataract surgery, including infection, retinal detachment, and swelling of the retina. Most are treatable; a few can cause permanent vision loss. Short, farsighted eyes have a lower retinal detachment risk than long eyes, but the number is never zero.

Frequently asked questions

Can you get RLE if you are farsighted?

Yes. Farsighted patients over 50 are often among the best candidates for refractive lens exchange, because the aging lens is the source of both their reading and distance problems, corneal lasers have limits for hyperopia, and RLE has no upper limit on the prescription it can correct.

Is LASIK or RLE better for farsightedness?

It depends on age and anatomy. For a stable, moderate prescription in the 20s to early 40s with a healthy cornea, LASIK can work well. Over 45, the aging lens is usually the real problem, and for farsighted patients over 50, RLE is often the better fit.

Does being farsighted increase glaucoma risk?

Farsighted eyes tend to be shorter, with shallower front chambers and narrower drainage angles, which raises the risk of narrow-angle (angle-closure) glaucoma as the natural lens thickens with age. An eye exam with gonioscopy can grade the angle.

Does refractive lens exchange help narrow angles?

Replacing the thick natural lens with a thin implant deepens the front chamber and opens the angle. The EAGLE trial found lens removal more effective than laser iridotomy as first-line treatment for angle closure. RLE is performed for refractive reasons, but in farsighted eyes with narrow angles it opens the angle and prevents acute angle-closure glaucoma.

Why does everything look smaller after surgery for farsightedness?

Strong plus-power glasses magnify the world. Once the correction moves inside the eye, objects return to their true size. The effect is temporary in the sense that the brain recalibrates, and vision is sharper, not worse.

Can farsighted patients get a trifocal lens?

Usually yes, provided the cornea is healthy and the eye is otherwise a good optical candidate. Because most farsighted patients over 50 never had LASIK, their cornea is untouched and the full lens menu, including trifocals, is typically available.

Find out what your farsighted eye actually needs

If you are farsighted, over 50, and tired of glasses for everything, the answer is in the measurements: the state of your lens, the depth of your front chamber, and the width of your angle. Book your evaluation with Dr. Feinerman in Newport Beach: (949) 631-4780 or FeinermanVision.com.

Unhappy With a Multifocal Lens? The 10% Problem, Explained

If you have spent an evening reading forums about lens surgery, you have met the unhappy patient. They paid for a premium lens, they see 20/20 on the chart, and they are not happy. Halos on the freeway. A faint film over everything. A surgeon who shrugged.

Those stories are real, and I would rather you hear about them from me than from a comment thread. Across the field, about one in ten patients who receive a presbyopia-correcting lens is unhappy with the result, at least at first (Susanna et al., Journal of Refractive Surgery, 2025;41(11):e1223-e1232). Here is the good news the forums leave out: the causes are well understood, nearly all of them can be identified before surgery, and the rare case that slips through has a well-established fix. In 25 years of premium lens surgery, I have built my consultation around preventing that one-in-ten outcome. This post shows you how.

What “unhappy with a multifocal lens” actually means

Presbyopia-correcting lenses come in two families. Trifocals split incoming light into three focal points (distance, intermediate, near) so you can read without glasses. Extended depth of focus (EDOF) lenses stretch a single focus into a continuous range from distance through arm’s length, with a night-vision profile closer to a standard lens. Both work well for most people, and the technology keeps improving: in my experience, the newest trifocal designs, Clareon® PanOptix® Pro and enVista Envy™, deliver noticeably better quality of vision and fewer night-vision complaints than the multifocal lenses of even a few years ago. Individual results may vary, and no single lens is best for everyone.

When patients are unhappy, the complaint usually sounds like one of two things: blurry vision even with their best glasses, or halos and glare around lights at night. In a Cleveland Clinic review of 140 dissatisfied eyes, those two complaints accounted for nearly all of it, and the rate did not differ much between trifocals and EDOF lenses (Susanna et al., Journal of Refractive Surgery, 2026). What differed was the cause, and the cause is where prevention lives.

How I prevent an unhappy multifocal lens outcome before surgery

Most of the work that keeps a patient out of the 10% happens before anyone touches the eye. Here is what my consultation does differently.

I measure the whole optical system, not just the lens. Ray-tracing aberrometry (the iTrace) tells me how much of your blur comes from the cornea and how much from the lens, and it scores the lens with the Dysfunctional Lens Index. Corneal topography (the Pentacam) looks for irregularity and dryness. Biometry on the Zeiss IOLMaster is cross-checked on three separate devices before any lens is ordered. If the measurements disagree, I remeasure rather than proceed. This is how a trifocal ends up in an eye that can actually use it, with a power that is actually right.

I treat the ocular surface first. Dry eye distorts every measurement and every trifocal image. If your surface is not healthy, I treat it and remeasure before we choose a lens, not after.

I match the lens to your life, not to a spec sheet. A lawyer who reads briefs all day and a pilot who flies a jet at night have different priorities. Range of vision, night-driving quality, reading-glass dependence, and long-term flexibility are the four tradeoffs I walk through with every patient. Sometimes the answer is a trifocal. Sometimes it is an EDOF lens. Often it is a different lens in each eye: an EDOF lens in the dominant eye for crisp night vision, and a trifocal in the other eye for smaller print, blended by the brain into one continuous range. That combination typically gives patients strong distance and computer vision in both eyes, plus good reading vision. Individual results may vary. A three-year prospective trial of that mix-and-match approach reported excellent distance and intermediate vision, high satisfaction, and a low rate of halos (Danzinger et al., Journal of Cataract and Refractive Surgery, 2026).

I say no to trifocals when the eye is not right for one. An irregular cornea, prior LASIK or PRK, macular changes, or a patient who cannot tolerate any halo at all: each of these steers me to a different lens. That is not a lesser outcome. It is the right outcome for that eye. Patients with prior LASIK, for instance, are typically limited to a monofocal or the Light Adjustable Lens™ (LAL), and I explain why in Cataract Surgery After LASIK.

I use an adjustable lens when the target is hard to hit. The Light Adjustable Lens is the only implant whose power I can fine-tune after surgery, with painless light treatments, once we see how your eye actually healed. It is my lens of choice after prior LASIK, PRK, or RK, and a strong option for anyone who wants to trial monovision before committing. In our 2025 series of 137 eyes, 98% finished within 0.50 diopters of target and 91% saw 20/20 or better. Individual results may vary.

I tell you exactly what to expect. A trifocal gives most people freedom from glasses for most tasks. It does not give anyone 25-year-old eyes, and most patients see some halo around lights at night early on. You will hear that from me before surgery, in plain language, so that the first night drive is a confirmation rather than a surprise.

Patient outcomes: how rare is a lens exchange, really?

In a 15-year dataset of 109,274 presbyopia-correcting lens implants, only 0.63% required a lens exchange for dissatisfaction, and those patients still averaged about 20/25 uncorrected distance vision afterward (Kazakos et al., Journal of Cataract and Refractive Surgery, 2026). Dissatisfaction is uncommon, and even the rare unhappy patient has a well-established fix. Our own outcomes are published at feinermanvision.com/results.

The four reasons people end up unhappy with a multifocal lens, and why the approach above works

In the published data and in my experience, dissatisfaction almost always traces to one of four causes. Three are preventable with careful selection and measurement. The fourth usually resolves on its own.

1. Residual prescription

The most common cause is the least dramatic. The lens power is off by a small amount, or a little astigmatism was left behind, and a trifocal is unforgiving about it. A half diopter that a standard lens would shrug off turns a trifocal blurry at every distance. Three-device biometry, modern formulas, and the Light Adjustable Lens exist to close this gap.

2. The wrong eye for the lens

Trifocals need a clean optical path. Significant dry eye, an irregular or previously lasered cornea, or early macular disease scatters light before it ever reaches the lens. This is why the iTrace and Pentacam come before any lens decision, and why I sometimes recommend a different lens than the one a patient walked in asking for.

3. Expectations that were never discussed

If a patient expects to thread a needle in a dim room and drive at night without a single halo, no lens will satisfy them. The fix is a real conversation before surgery, not a brochure.

4. The brain has not caught up yet

Your brain spent 50 years reading a single-focus image. A trifocal hands it three overlapping images and asks it to pick the sharp one. That takes time. Research presented at the European Society of Cataract and Refractive Surgeons found that about half of patients with advanced-technology lenses notice reduced contrast or halos early on, and most adapt over the following months (Lin, ESCRS Winter Meeting, 2026). A functional MRI study showed brain activity in visual processing areas changing at three weeks and returning to normal by six months (Rosa et al., Journal of Cataract and Refractive Surgery, 2017). That is why I ask patients to give a new lens six months before we judge it.

Clinical data: what unhappy patients report, and what fixes it

In the Cleveland Clinic series of 140 eyes, 67% of dissatisfied eyes had blurry corrected vision and 49% had halos or glare. Six treatments were used: glasses, laser vision correction, a YAG laser for capsule haze, lens repositioning, dry eye treatment, and lens exchange. Lens exchange resolved the complaint in 20 of 21 eyes; laser vision correction helped 18 of 25. Dry eye treatment alone rarely resolved the problem by itself, which is exactly why the surface has to be treated before surgery, not after (Susanna et al., Journal of Refractive Surgery, 2026).

If you are already unhappy with a multifocal lens

Maybe you are reading this after surgery, yours or someone else’s. Here is the honest sequence, and it is roughly the decision tree the Cleveland Clinic group proposed.

First, wait, if your surgery was recent. Six months is the benchmark for the brain to adapt. Second, treat the surface: dry eye rarely fixes the problem by itself, but it has to be controlled before any measurement can be trusted. Third, check for residual prescription. If glasses sharpen the picture, a minor laser touch-up (PRK or LASIK on the cornea) may be recommended, and in the Cleveland Clinic series that worked in most eyes. Fourth, look at the capsule: haze behind the lens is cleared with a brief in-office YAG laser, though this should be done only after the exchange question is settled, because a capsulotomy makes a later lens exchange harder. Finally, if the lens itself is the wrong match for the eye, exchange it. In that series, exchange resolved the complaint in 20 of 21 eyes.

None of this is exotic. It is the ordinary work of a lens surgeon, and it is why an unhappy lens result is a solvable problem rather than a life sentence.

Who this is NOT for

If you have significant dry eye that has not responded to treatment, a cornea that scans as irregular, or macular disease, I will generally not offer a trifocal. If you have had LASIK or PRK, the trifocal is usually off the menu for optical reasons, not for lack of trying. And if you would be upset by any halo at night, ever, a monofocal or an EDOF lens with readers is the more honest recommendation.

The other honest statement is about risk. Lens surgery, whether cataract surgery or refractive lens exchange, carries rare but serious risks, including infection and retinal detachment. Retinal detachment runs roughly 1 in 500 after RLE and 1 in 1,000 after cataract surgery, higher in long, highly nearsighted eyes and lower in the short eyes of farsighted patients (Passaro et al., British Journal of Ophthalmology, 2025). I cover that difference, and why it exists, on the refractive lens exchange page.

Why the conversation matters more than the lens

I was the first surgeon in Southern California to implant a premium IOL after FDA approval in 2003, and I have served as principal investigator in FDA clinical trials of new lens technology, including the enVista toric IOL. Twenty-plus years of premium lens surgery taught me one thing above all: the happy patient is made in the exam room, before the operating room. I perform every consultation and every surgery myself, I call you the evening of surgery, and I ask every patient to save my cell phone number so they can reach me directly with any concern.

Frequently asked questions

Why am I unhappy with my multifocal lens implant?

The most common reasons are a small residual prescription, an eye that was not a good optical match for a light-splitting lens (dry eye, irregular cornea, prior LASIK, macular changes), expectations that were never discussed, or a brain that has not yet adapted. All four are identifiable on examination, and the first three are usually treatable.

Can a multifocal lens be replaced?

Yes. A lens exchange is well established. In a large 15-year dataset, only 0.63% of presbyopia-correcting lenses were exchanged for dissatisfaction, and in a recent series of unhappy patients, exchange resolved the complaint in 20 of 21 eyes.

How long does it take to get used to a multifocal lens?

Most patients adapt within a few months. Brain-imaging research shows visual processing changes at three weeks and normalizes by six months, which is why surgeons generally wait six months before judging a lens.

Will a trifocal lens give me halos at night?

Some patients notice halos or glare around lights, especially early. Most adapt. Patients who drive at night for a living, or pilots who cannot tolerate any halo, may be better served by an extended depth of focus or monofocal lens.

Which lens is best for cataract surgery or RLE?

There is no single best lens. The right choice depends on your anatomy, your lifestyle, and which tradeoffs you prefer among range of vision, night-driving quality, reading-glass dependence, and future flexibility. That is what the consultation is for.

Get the conversation before the surgery

The best time to avoid being the one in ten is before the lens is chosen. Book your evaluation with Dr. Feinerman in Newport Beach: (949) 631-4780 or FeinermanVision.com.

“My LASIK Wore Off” Is a Myth: What Actually Changed

I have been performing LASIK since 1998. Some of the patients I treated in the earliest years of my career are now in their late 50s, and every few weeks one of them sits down in my exam chair and says the same sentence: “I think my LASIK wore off.”

I understand why it feels that way. Twenty years ago you walked out of surgery seeing the clock across the room. Now you are holding the menu at arm’s length, squinting at your phone, and buying reading glasses in three-packs. Something obviously changed.

But it almost never was the LASIK. In this post I will explain what actually happened inside your eye, why more laser is usually the wrong answer, and what your real options are today.

Why “LASIK wore off” is almost always the wrong diagnosis

LASIK reshapes the cornea, the clear front window of the eye. Once the cornea heals, that new shape is remarkably stable. The laser does not fade, and the tissue does not grow back.

What LASIK never touched is the natural lens sitting behind your iris. That lens is what changes with age, and it changes in every human eye, LASIK or not.

In your 20s and 30s the natural lens is soft and flexible. It changes shape in a fraction of a second to bring near objects into focus. Starting in your mid-40s, the lens stiffens. By your 50s it has lost most of its ability to focus up close, and it has begun to scatter light and lose clarity. Surgeons call this progression dysfunctional lens syndrome. Patients call it “my arms are too short.”

So the cornea that LASIK built is still doing its job for distance. The lens behind it stopped doing its job for near. The result feels exactly like your LASIK failing, when in fact a different part of the eye aged on schedule.

Clinical note: two separate structures, two separate problems

LASIK corrects the cornea. Presbyopia and early cataract come from the natural lens. A 2026 review in Review of Ophthalmology put it plainly: age-related lens changes are often responsible for patients’ assumptions that their “LASIK wore off,” and presbyopia is fundamentally a lens disease. That is why the fix, when one is needed, is usually a lens procedure rather than more laser. Read more in our guide to dysfunctional lens syndrome.

When LASIK wore off for real: true regression, and how to tell the difference

I want to be fair to the question, because true regression exists. In a small number of eyes, especially those treated for higher prescriptions, the cornea can drift slightly back toward the original prescription. When it happens, it typically shows up in the first year or two after surgery, it is usually small, and it affects distance vision.

The pattern I see in patients over 45 is different in every way. The change arrives 15 to 25 years after surgery. Distance vision is often still quite good. The complaint is near vision first, then dim restaurants, then night driving. That is the signature of the lens, not the cornea.

In my office we do not guess. Ray-tracing aberrometry (the iTrace) measures the optical quality of the cornea and the lens separately, and gives the lens a score called the Dysfunctional Lens Index. If your cornea is still delivering crisp optics and your lens score has dropped, we have our answer, and it is not a laser answer.

Why more LASIK is usually the wrong fix after 45

Patients sometimes ask for a LASIK “touch-up” to restore what they had. For a stable prescription in the early 40s, that can still be reasonable. Over 45, I generally do not recommend LASIK, because the aging lens, not the cornea, is usually the real problem.

Here is the logic. A laser enhancement can only reshape the cornea. If the lens is what stopped focusing, reshaping the cornea does nothing for near vision, and it removes a little more tissue from a cornea that has already been treated once. Monovision LASIK (one eye set for distance, one for near) can buy a few years for some patients, but it trades away depth perception and does nothing to stop the lens from continuing to age. A few years later, you are back in the chair with the same complaint plus an early cataract.

Treating the lens addresses the actual cause. It also happens to be the only vision correction that removes a future surgery from your life, because a replaced lens can never develop a cataract.

What actually changed: your lens, and what to do about it

If the lens is the problem, the modern solution is to replace it. Done before a cataract has formed, that procedure is called refractive lens exchange (RLE). Done after, it is called cataract surgery. They are the same operation on the same platform; the difference is timing and who pays.

RLE takes 15 to 20 minutes per eye. I remove the stiffened natural lens through a tiny incision and replace it with an intraocular lens (IOL) chosen for your anatomy and your life. Most patients are back to normal activities within a few days. Because the natural lens is gone, it cannot cloud into a cataract later.

For a post-LASIK patient, though, there is one important wrinkle, and it is the reason this decision deserves an experienced lens surgeon.

The post-LASIK catch: your lens menu is shorter, and one lens fits it best

LASIK permanently changed the curvature of your cornea, and corneal curvature is one of the two numbers every lens-power calculation depends on. Standard formulas assume a cornea that was never lasered. Plug in a post-LASIK cornea and the math can miss, which is why a post-LASIK patient at a less experienced practice sometimes wakes up from lens surgery unexpectedly farsighted.

The second issue is optics. A laser-shaped cornea scatters light a little differently than an untouched one. The trifocal lenses that give the highest rates of glasses independence depend on a smooth, predictable cornea to work. On a post-LASIK cornea they can amplify glare and halos instead. That is why patients with prior LASIK are typically limited to a monofocal lens or the Light Adjustable Lens™ (LAL), and why I do not usually offer a trifocal in these eyes. That is not a limitation of the practice; it is honest counseling. I cover the full post-LASIK lens menu in Cataract Surgery After LASIK.

The good news is that one lens was practically designed for this problem. The Light Adjustable Lens is the only IOL whose power can be customized after surgery. I implant it, you heal, you test-drive your vision in real life, and then I fine-tune the lens with a series of painless light treatments and lock it in. If the calculation was off by a small amount because of your old LASIK, the lens is adjusted to your actual result rather than a prediction. It also lets patients trial mini-monovision safely before committing.

Our Light Adjustable Lens results

In our 2025 series of 137 eyes, 98% finished within 0.50 diopters of target and 91% saw 20/20 or better. Individual results vary. In the FDA clinical study, LAL patients were twice as likely to achieve 20/20 distance vision at six months without glasses compared with a standard monofocal. More than 300,000 have been implanted worldwide (RxSight, 2026). Full data at our LAL results page.

For the rare post-LASIK eye with a significantly irregular cornea, the Apthera™ IOL, a small-aperture lens, is the reserved alternative. And a high-quality monofocal or toric monofocal remains a strong choice for patients who value the crispest possible distance vision and are happy to use readers.

Who this is NOT for

I say no to RLE more often than people expect, and post-LASIK patients deserve the same candor.

If you are in your early 40s with a stable prescription and a lens that still scores well on the iTrace, you may not need lens surgery yet, and a LASIK enhancement could still be the right call. If your eye has significant dry eye, retinal disease, or a cornea that scans as irregular, the conversation changes. And if you still have a fair amount of natural focusing ability, replacing the lens would take that away, so I would rather wait.

Risk deserves a plain statement, too. RLE carries the same rare but serious risks as cataract surgery. Retinal detachment is the one I discuss most: roughly 1 in 500 for RLE versus 1 in 1,000 for cataract surgery (Passaro et al., British Journal of Ophthalmology, 2025). That difference is not because RLE is a riskier operation. It is the same surgery. The difference is the patient: RLE patients are younger, so the vitreous gel is more often still attached to the retina, and lens surgery tends to bring on its separation sooner, which is the event that can tear a retina. RLE patients are also more often highly nearsighted, with longer eyes and thinner peripheral retina. Older cataract patients have usually already passed through that separation safely. If you were a high myope before LASIK, I will examine your retina carefully and may send you to a retina colleague before we decide anything.

Why experience matters here

I have performed LASIK since 1998 and lens surgery in Newport Beach since founding Feinerman Vision in 2001, so I have planned and performed lens surgery on a great many eyes that had LASIK first, including my own patients from decades ago. I was the first surgeon in Southern California to implant a premium IOL after FDA approval in 2003, and I have served as principal investigator in FDA clinical trials of new lens technology. For post-LASIK eyes, I measure the cornea on three separate devices and cross-check them before any lens is ordered. I perform every evaluation and every surgery myself, call you the evening of surgery, and ask you to save my cell number so you can reach me directly.

What I tell my 1998 patients who think their LASIK wore off

You made a good decision with the best technology of its time, and it worked. The cornea I treated is still doing what it was built to do. What changed is the lens behind it, on the same schedule it changes for everyone.

The difference now is that you have a lens-based option that did not exist in a mature form 25 years ago, and a lens that can be adjusted after surgery to account for the cornea we shaped back then. The right next step is not another laser. It is a measurement, and an honest conversation about what your lens is doing and what you want your vision to do for the next 30 years.

Frequently asked questions

Does LASIK wear off after 20 years?

No. The corneal reshaping from LASIK is permanent. What changes after 20 years is the natural lens inside the eye, which stiffens and loses clarity with age in every eye. That change produces the reading difficulty and dimming that patients mistake for LASIK wearing off.

Can I get LASIK again if my vision changed?

Sometimes, if you are in your early 40s with a stable prescription and enough corneal thickness. Over 45, I generally do not recommend LASIK, because the aging lens is usually the real problem, and more laser does not fix the lens.

What is refractive lens exchange after LASIK?

Refractive lens exchange (RLE) replaces the aging natural lens with an intraocular lens before a cataract forms. It is the same procedure as cataract surgery, performed earlier. In post-LASIK eyes, lens choice is usually a monofocal or the Light Adjustable Lens, because the laser-altered cornea makes standard calculations less predictable and trifocals less reliable.

Why is the Light Adjustable Lens recommended after LASIK?

Because it is the only lens whose power can be fine-tuned after surgery. Prior LASIK makes lens-power calculations less predictable; adjustability solves the problem the old cornea creates, since the lens is adjusted to your actual result rather than a prediction.

Will I get cataracts after RLE?

No. RLE removes the natural lens, and only the natural lens can develop a cataract. The artificial lens does not cloud. Some patients later need a brief in-office laser to clear a membrane behind the lens, which is routine.

How do I know if it is my LASIK or my lens?

An evaluation with ray-tracing aberrometry measures the cornea and lens separately and scores the lens’s optical quality. If the cornea is still crisp and the lens score has dropped, the lens is the problem.

Find out what actually changed

If you had LASIK years ago and your vision is not what it was, the answer is measurable, and it is usually good news. Book your evaluation with Dr. Feinerman in Newport Beach: (949) 631-4780 or FeinermanVision.com.

Gregg Feinerman, MD, FACS

Board-Certified Ophthalmologist & Refractive Surgeon