- Medically Reviewed by: Mr Mfazo Hove, Consultant Ophthalmic Surgeon
- Author: Mr Mfazo Hove
- Published: June 19, 2026
- Last Updated: June 19, 2026
The question every discerning patient should ask, and our honest answer.
Every eye surgery clinic will happily show you its best results. You will see the headline statistics, the five-star reviews and the photographs of patients reading the eye chart without glasses. All of that matters, and at Blue Fin Vision® we publish more of it, in more detail, than almost anyone in the field.
More than 57,000 procedures, six consecutive years of published National Ophthalmology Database outcomes, and more than 500 independently verified patient reviews.
But it is not the question that keeps a thoughtful patient awake the night before surgery. That question is quieter, and almost nobody answers it out loud:
“What happens if I am the one in whom it does not go perfectly?”
Modern eye surgery is extraordinarily safe and predictable. The overwhelming majority of patients achieve the result they came for, with no drama and no surprises. But no honest surgeon will tell you the risk is zero, because it is not. A small number of people will need a refinement, a follow-up procedure, or careful management of something unexpected.
The difference between clinics is not whether these moments ever happen. It is what is in place when they do. This page explains, plainly, the things that can go wrong after eye surgery and exactly what we do about each one.
“Thank you for all the care I have received following my cataract operation and follow-up. Although things didn’t go to plan, everyone has been very kind and caring, and I could not have had a better service.”
From a handwritten note sent by a cataract patient
What It Means to Stand Behind an Outcome
When something needs attention after surgery, four things decide how well it is handled. Most clinics can offer one or two of them. Being built around all four is what allows us to treat an unexpected outcome as our responsibility rather than your problem.
One Surgeon, From First Consultation to Long-Term Care
The surgeon who assesses you, plans your procedure and operates is the same surgeon who reviews you afterwards and who manages anything that arises. Mr Mfazo Hove has personally performed more than 57,000 procedures and has published National Ophthalmology Database outcomes for six consecutive years, among very few UK surgeons to publish their results year after year. Accountability is not shared across a rota; it has a name.
A Written Enhancement Commitment
If your vision needs fine-tuning within the agreed period, the pathway is written down before you ever consent to surgery, not negotiated afterwards. You know in advance what is covered and for how long. (See the Enhancement Window, below.)
In-House Vitreoretinal Capability
The rare but serious problems involving the retina are managed by our own consultant vitreoretinal surgeon, Professor Mahmut Dogramaci, not outsourced to an external clinic and an unknown waiting list. The safety net is inside the building.
Published Outcomes, Not Just Promises
Our results are measured and published, year after year. That discipline runs right through to aftercare: a clinic that measures everything cannot quietly look away when something is imperfect. As our guiding line puts it, to achieve the immeasurable, you must measure everything.
What Can Go Wrong, and What We Do About It
Below are the things patients most often worry about, in plain language: how likely each is, what it feels like, and the exact pathway we follow if it happens to you. None of this is common. All of it is planned for.
1. Your Vision Is Close, but Not Quite Sharp (Residual Prescription)
Today’s measurements and lens calculations are remarkably accurate, but the eye heals as a living organism, not a machine. A small number of patients are left slightly short-sighted, long-sighted or with residual astigmatism after lens or laser surgery.¹
If that happens, the fix is usually straightforward: a fine-tuning (enhancement) procedure, most often a precise laser adjustment, once your eye has fully settled and the measurements are stable. This is planned for, not improvised.
Who this applies to: a minority of patients, more often those who started with a very high prescription. Who it does not apply to: most people reach their target on the first attempt and never need anything further.
Mr Mfazo Hove’s perspective. I would rather set a realistic target and refine it than over-promise on day one. An enhancement is not a failure, it is the second half of a process we committed to from the start, and it is written into your plan before you consent.
The takeaway. A result that is close but not perfect is correctable, and the route to correcting it is agreed with you before surgery.
2. Gritty, Tired or Watery Eyes Afterwards (Dry Eye)
Temporary dryness is one of the most common experiences after laser vision correction, because the procedure briefly disturbs the surface nerves of the cornea.² It typically eases over weeks to a few months.
We take the ocular surface seriously before we operate, not only after. The ocular surface is the first optical surface, and a healthy one improves both comfort and the quality of your result. Management ranges from lubricating drops to other simple, well-established measures, tailored to you and reviewed at follow-up.
Who this applies to: more likely if you already have dry eye, wear contact lenses heavily, or have certain hormonal or environmental factors. Who it does not apply to: many patients notice little or nothing beyond the first few weeks.
Mr Mfazo Hove’s perspective. We optimise the surface first. Treating dryness before surgery is one of the least glamorous things we do and one of the most important for how you feel afterwards.
The takeaway. Dryness is usually temporary and manageable, and we prepare for it before surgery rather than reacting to it.
3. Haloes, Glare or a Shadow in Your Vision (Dysphotopsia)
Some patients, particularly with multifocal and trifocal lens implants, notice haloes or starbursts around lights at night, or, less commonly, a faint temporal shadow.³ In the large majority of cases the brain adapts over weeks to months and these effects fade or stop being noticed, a process called neuroadaptation.
We talk about this honestly before surgery, because choosing the right lens for your eyes and your lifestyle is the single best way to avoid it. Where symptoms are genuinely troublesome and persistent, options range from reassurance and time, through simple measures, to lens exchange in the rare cases that warrant it.
Who this applies to: more relevant to patients choosing advanced multifocal or trifocal lenses. Who it does not apply to: those for whom we recommend, or who choose, a different lens design.
Mr Mfazo Hove’s perspective. I chose trifocal lenses for my own eyes. I would not implant a lens in a patient that I was not prepared to live with myself, and I would not recommend one without explaining the night-vision trade-offs first.
The takeaway. Most light effects settle as the brain adapts; the best protection is honest lens selection beforehand, which is where we start.
4. New Floaters or Flashes of Light
Floaters, drifting specks or threads, are extremely common and usually harmless, often related to natural changes in the jelly inside the eye. They frequently become less noticeable with time.
There is one important exception. A sudden shower of new floaters, especially with flashing lights or a shadow or curtain across your vision, can be a warning sign of a retinal tear and needs urgent assessment.⁴ We tell every patient these warning signs, and we have the in-house capability to act on them quickly, which is the subject of the next two sections.
The takeaway. Most floaters are harmless, but a sudden change with flashes is urgent, and we are set up to see you fast, not to refer you elsewhere and wait.
5. Cloudy Vision Returning Months or Years Later (PCO)
After cataract or lens replacement surgery, a proportion of patients find their vision gradually hazes again, sometimes years later. This is posterior capsule opacification, often called “secondary cataract”, and it is a normal healing response rather than a complication of the surgery itself.⁵
The remedy is quick, painless and highly effective: a short laser treatment (YAG capsulotomy) in the clinic, with no incision and no recovery time to speak of. Vision usually clears almost immediately.
A DOCUMENTED BLUE FIN VISION® CASE
An Early Complication, Put Right at No Charge
Around three weeks after surgery, a patient noticed his vision clouding, unusually early for this kind of change. The likely cause was a trace of residual lens material lining the capsule, which had opacified quickly. A short, painless YAG laser treatment cleared it in minutes, performed at no charge, and his vision improved straight away.
What happened next says as much as the treatment. The patient later brought his wife to Blue Fin Vision® for her own cataract surgery. By then a year had passed and our prices had changed, but we honoured the price he had paid, because that was what the family had budgeted for.
Owning an outcome is sometimes a laser. Sometimes it is keeping your word a year later.
The takeaway. This is common, expected, and resolved in minutes with a painless laser. It is not a sign anything went wrong.
6. A Retinal Tear
Occasionally the retina at the back of the eye develops a small tear, more commonly in people who are significantly short-sighted. Caught early, usually because a patient reported new flashes or floaters promptly, a tear can be sealed with laser treatment in clinic, often preventing it from progressing to a detachment.⁶
This is precisely why we make sure you know the warning signs and why we keep retinal expertise in-house: the gap between noticing a symptom and being treated should be measured in hours, not weeks on an external waiting list.
Mr Mfazo Hove’s perspective. The difference between a tear and a detachment is often how quickly someone is seen. That is an argument for keeping retinal care under the same roof, not across the city.
The takeaway. A tear treated promptly is usually a small problem; our in-house pathway exists so prompt actually means prompt.
7. A Retinal Detachment
A retinal detachment is rare but serious, and it is a true emergency for your sight. The risk is higher in very short-sighted eyes and is recognised as a small risk following lens surgery.⁷ It needs prompt surgical repair by a specialist vitreoretinal surgeon.
This is the scenario that most exposes the difference between clinics. Many surgery-only providers must refer a detached retina out to a separate hospital and an unfamiliar team. At Blue Fin Vision® the pathway leads directly to our own consultant vitreoretinal surgeon, Professor Mahmut Dogramaci, the same organisation, the same standards, no cold handover.
The takeaway. The most serious retinal emergency is the clearest case for in-house vitreoretinal care, and it is exactly what we have built.
8. Needing the Implanted Lens Changed (Lens Exchange)
Very occasionally an implanted lens needs to be exchanged for another, for example, a refractive result that cannot be refined by laser, or light effects that a patient genuinely cannot adapt to.⁸ Lens exchange is a defined, well-described procedure, and because the same surgeon has overseen your care throughout, the decision is made with your full history rather than from a standing start.
Who this applies to: a small number of patients in specific circumstances. Who it does not apply to: the great majority, for whom the first lens is the right and final one.
The takeaway. If a lens ever needs changing, it is a planned procedure handled by the surgeon who knows your eyes, not a referral into the unknown.
The Enhancement Window
Our Outcome Commitment
If your result requires refinement, eligible enhancements are covered for 12 months.
Once you enter the enhancement pathway, that care extends to a full 24 months, until a stable result is achieved.
We do not stop caring because the calendar changed.*
If your vision needs refinement after surgery, the pathway is agreed with you before you consent, never improvised afterwards. Eligible enhancements are covered under a written commitment for the first 12 months following your procedure, with the terms and eligibility set out in your procedure documentation.
Importantly, the clock does not stop the moment a refinement begins. Once you are on the enhancement pathway, your care is extended to a full 24 months, so the matter can be seen through to a stable, finished result rather than rushed to meet a deadline. The window exists to protect your outcome, not to limit it.
The In-House Safety Net You Hope Never to Need
The serious problems on this page, a retinal tear, a detachment, are uncommon. But the value of in-house vitreoretinal care is not measured by how often it is used. It is measured by what happens on the rare day it is needed.
Because Professor Mahmut Dogramaci, our consultant vitreoretinal surgeon, works within Blue Fin Vision®, an urgent retinal problem stays inside one organisation, one set of standards and one continuous record of your care. There is no external referral letter, no separate waiting list and no team meeting you for the first time at your most anxious moment.
This capability is properly resourced rather than nominal: Blue Fin Vision® maintains its own dedicated vitreoretinal surgical sets, so that should a complication of cataract or lens surgery ever call for retinal expertise, it can be met within the same team rather than referred away.
And when a complication arises from treatment we have provided, our focus is resolving the problem rather than debating responsibility.
Sometimes that means using our own in-house expertise. Sometimes it means funding independent expertise from outside when that is what a patient needs. One documented case shows both the honesty and the lengths involved.
A DOCUMENTED BLUE FIN VISION® CASE
Corneal Haze After Laser Surgery: Months of Funded, Hands-On Care
A patient in his early twenties had corneas too thin for flap-based laser, so surface laser (TransPRK) was the only safe way to treat his short sight. At six weeks his unaided vision was excellent. By three months it had regressed sharply: he had developed corneal haze, an uncommon healing response and a counselled risk of the only procedure that could safely treat him.
What followed is what owning an outcome looks like. The difficult conversation was had honestly and in full. OCT scans were shared directly with the patient, in plain language, so a young man could understand his own eyes. When super-specialist input was warranted, Blue Fin Vision® funded an independent second opinion with a recognised corneal specialist in full (£990), before the appointments, and without him ever asking. When he ran out of his steroid drops over the New Year and could not reach the specialist, a fresh supply was posted to his home that same afternoon.
The case is presented openly as still in progress: the cornea is remodelling and improving, further options remain under review, and follow-up continues. How a practice behaves when things do not go to plan says more than any list of successes.
The Same Surgeon, From Beginning to End
Most of what is described here is uncommon, and the systems that handle it should fade into the background of an experience that, for the great majority of patients, is smooth and uneventful. But the discerning patient is right to look at the background, because that is where a clinic’s real character sits.
At Blue Fin Vision®, the surgeon who plans your treatment performs it, reviews you, and remains responsible for the outcome over the long term. Mr Mfazo Hove brings more than 57,000 procedures and six consecutive years of published National Ophthalmology Database outcomes to that responsibility. Surgery is only part of the journey, and we do not stop the moment it is over.
For the Discerning Patient: The Questions Worth Asking Anyone
If you are comparing clinics, the marketing will start to look identical: everyone claims excellent outcomes, advanced technology and great reviews. The way to tell providers apart is to ask the questions that only a clinic built around outcomes can answer comfortably. We would encourage you to ask these of us, and of anyone else you are considering:
- Will the surgeon who operates on me also be the one who sees me afterwards and manages anything that arises?
- Is your enhancement policy written down before I consent, with a clear time period, or is it discussed only if a problem comes up?
- If I develop a retinal tear or detachment, who treats it, where, and how quickly: in-house, or referred out?
- Are your surgical outcomes independently published, and for how many years?
- Is the organisation led by the surgeon responsible for my care, or owned by investors a step removed from the clinic?
A discerning patient does not need to be told who to choose. They need the right questions, and a clinic that can answer all of them without hesitation. We have written this page precisely because we can.
WHAT WE DON'T DO
Just as telling as what we promise is what we refuse to do.
We do not discharge our responsibility when the surgery is complete.
We do not ask another surgeon to manage complications arising from our own treatment.
We do not hide our outcome data.
The real test of a clinic is not how it behaves when everything goes perfectly.
It is how it responds when something needs attention.
That is why we built Blue Fin Vision® the way we did.
References
- Norrby S. Sources of error in intraocular lens power calculation. Journal of Cataract and Refractive Surgery. 2008;34(3):368-376.
- Toda I. Dry eye after LASIK. Investigative Ophthalmology and Visual Science. 2018;59(14):DES109-DES115.
- de Vries NE, Nuijts RMMA. Multifocal intraocular lenses in cataract surgery: literature review of benefits and side effects. Journal of Cataract and Refractive Surgery. 2013;39(2):268-278.
- Hollands H, Johnson D, Brox AC, Almeida D, Simel DL, Sharma S. Acute-onset floaters and flashes: is this patient at risk for retinal detachment? JAMA. 2009;302(20):2243-2249.
- Schaumberg DA, Dana MR, Christen WG, Glynn RJ. A systematic overview of the incidence of posterior capsule opacification. Ophthalmology. 1998;105(7):1213-1221.
- Flaxel CJ, Adelman RA, Bailey ST, Fawzi A, Lim JI, Vemulakonda GA, Ying GS. Posterior vitreous detachment, retinal breaks, and lattice degeneration preferred practice pattern. Ophthalmology. 2020;127(1):P146-P181.
- Mitry D, Charteris DG, Fleck BW, Campbell H, Singh J. The epidemiology of rhegmatogenous retinal detachment: geographical variation and clinical associations. British Journal of Ophthalmology. 2010;94(6):678-684.
- Jin GJC, Crandall AS, Jones JJ. Changing indications for and improving outcomes of intraocular lens exchange. American Journal of Ophthalmology. 2005;140(4):688-694.
ABOUT THE AUTHOR
Mr Mfazo Hove
Consultant Ophthalmic Surgeon
MBChB MD FRCOphth CertLRS
Mr Mfazo Hove is a Consultant Ophthalmic Surgeon with experience spanning more than 57,000 procedures. He completed 6.5 years of specialist training at Moorfields Eye Hospital and served for five years as a consultant at the Western Eye Hospital, Imperial College Healthcare NHS Trust. He is the founder of Blue Fin Vision®, a consultant-led private ophthalmology practice operating across London, Essex, and Hertfordshire. His clinical expertise encompasses advanced cataract surgery, refractive lens replacement, laser vision correction, and implantable Collamer lenses (ICL).
A ZEISS Key Opinion Leader, Mr Hove is a respected international speaker with five invited engagements across seven cities in 2026:
- ZEISS China tour (Changsha, Shanghai, and Hangzhou, April – ZEISS APAC User Meeting)
- RCOphth Annual Congress – May – Manchester
- ZEISS EMEA User Meeting (Istanbul)
- ZEISS Lausanne User Meeting (Lausanne)
- European Society of Cataract and Refractive Surgeons Annual Congress (ESCRS, London)
Schedule Your Consultation Today
If you would like to discuss your eyes or your options, we would be glad to arrange a consultation. You would be trusting your vision to a consultant-led UK clinic with documented outcomes, built around our flagship on Harley Street in London. Our wider network puts those same standards within easier reach, with centres across London, Hertfordshire and Essex.
