London Squint Clinic
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Reclaim single vision
Imagine being able to wake up and see everything clear and single. No more double objects, blur, difficulty judging distances, tackling steps, problems reading. No more confusion from things on the side appearing in front of you. We take single vision for granted. Only people with double vision appreciate what it would mean to get that back.


Remember the life you used to have
Get back to enjoying all the things which double vision took away: reading for pleasure, outdoor activities, sports, driving. Double vision doesn’t just affect your eyes, it constricts your life. And you get used to it just because you have to. But with double vision surgery you can once more live the life you used to enjoy.
Throw away your prism glasses
Prism glasses can be good for some people. But for others they are just a pain. They don’t fix the problem in different directions or distances. They don’t work great for when you are moving about. Costly, thick, heavy and always need updating. And once you are in them, you are trapped. Unless you have double vision surgery. Most of our patients can get rid of their prism glasses after surgery and return to how they used to see before: no-prism glasses, contact lenses, or nothing.


DOUBLE VISION SURGERY OFFERS HOPE
When our patients are first told that they can have double vision surgery, it is often a very emotional moment. Finally they have hope that their double vision will come to an end and they can get back to a normal life.
Weekend & Evening Video Consultations Available
Remember the life you used to have
Get back to enjoying all the things which double vision took away: reading for pleasure, outdoor activities, sports, driving. Double vision doesn’t just affect your eyes, it constricts your life. And you just get used to it because you have to. But with double vision surgery you can once more live the life you used to enjoy.

Throw away your prism glasses
Prism glasses can be good for some people. But for others they are just a pain. They don’t fix the problem in different directions or distances. They don’t work great for when you are moving about. Costly, thick, heavy and always need updating. And once you are in them, you are trapped. Unless you have double vision surgery. Most of our patients can get rid of their prism glasses after surgery and return to how they used to see: no-prism glasses, contact lenses, or nothing.
Meet your surgeon
People who do their homework choose us.
Here’s 9 reasons why.
1. The specialists
We are the UK’s only clinic exclusively for squint and double vision.
2. Ultra expertise
Mr Ali is one of just a few surgeons in the world who does nothing but squint and double vision surgery in adults. Most other squint surgeons do mainly children and adults on the side.
3. Experience
Mr Ali has 24 years of surgical experience, covering the most simple to the most complex cases.
4. Stellar patient satisfaction
Our Google reviews are unrivalled. We love our patients and they love us. Read them all here
5. Self-refer, self-pay
You don’t need a referral. Simply book a video or in-person appointment to get things started. We are a 100% self-pay clinic.
6. Short waits
We can offer your life-changing surgery within 4 weeks.
7. Advanced techniques
Squint and double vision surgery is an art as well as a science. Mr Ali continues to refine his own unique techniques to maximise safety and success.
8. A clear discussion of outcomes
Your likely outcome, and the chance of needing further treatment, are discussed with Mr Ali at your consultation.
10. VIP access to your surgeon
On our Signature Care package, you get 24/7 access to Mr Ali by WhatsApp during your recovery, and ongoing contact with him for eye advice after discharge. See our pricing page for what each package includes.
An international centre of excellence
These are real locations of our recent patients.
Wherever you are in UK or the world, we can see you by video then arrange your surgery in London.


3 easy steps to free yourself from double vision
Living with double vision can really impact your life.
We’re here to help make that a thing of the past.


MAKE AN APPOINTMENT
You’ve suffered for years. Now’s the time to end that. Book a video or in-person appointment.


MEET YOUR SURGEON
At your appointment, Mr Ali will discuss your double vision issues and answer any questions that you have.
You’ll leave knowing if you can finally have the surgery you want.


ENJOY YOUR NEW LIFE
The number one thing we hear from our patients after surgery is:
“You have honestly changed my life.”
And the number two thing is:
“Why didn’t I have this done sooner?”
So bite the bullet and start your journey today!
Can double vision be corrected with surgery?
Surgery can correct double vision when it is caused by the eyes not lining up, which is called binocular double vision. The operation moves the eye muscles so that the two images come together. Double vision that stays when one eye is covered has other causes, such as astigmatism, dry eyes or cataract, and eye muscle surgery does not treat it. The NHS notes that double vision affecting both eyes is usually a symptom of a squint.
Which causes of double vision can surgery treat?
Surgery is used for double vision from several causes, including problems with the nerves that control the eye muscles and eye muscle changes in thyroid eye disease. Our guides cover double vision in adults, thyroid eye disease, sixth nerve palsy, fourth nerve (superior oblique) palsy and vertical double vision.
Who is suitable for double vision surgery?
London Squint Clinic’s double vision service is for adults aged 18 and over who see two images of one object, or whose objects appear in the wrong place. You may or may not have a visible squint, and you may or may not have tried prism glasses. Whether surgery suits you depends on the cause, the size and direction of the misalignment and whether it has been stable, and this is assessed at your consultation.
How does double vision surgery work?
The operation tightens or loosens one or more eye muscles so that the eyes line up, and the muscles are held with dissolvable stitches. It is usually a day case, it usually takes less than an hour, and it is normally done under general anaesthetic, although local anaesthetic is also possible at London Squint Clinic. It is the same type of operation as adult squint surgery.
What are adjustable sutures?
Adjustable sutures let the surgeon fine-tune the position of an eye muscle after you wake up, using local anaesthetic eye drops. NHS guidance notes that this kind of adjustment may be used in adults and teenagers. Our guide to adjustable suture surgery explains who it may suit.
What results can you expect?
The operation aims to get rid of the double vision. Double vision straight after the operation is common and usually passes after a week or so, and it usually takes a few weeks before the result can be judged. NHS guidance describes needing more surgery as quite common, particularly when the misalignment is severe. If you wore glasses that partly corrected the misalignment before surgery, you may still need them afterwards. Your likely outcome is discussed at consultation.
What are the risks of double vision surgery?
Double vision surgery is generally safe, but every operation carries some risk, including over- or under-correction, double vision that lasts longer than expected, infection and redness. Serious complications are rare: a UK study by the British Ophthalmic Surveillance Unit found them in about 3 in 1,000 patients having eye muscle surgery, with loss of vision in about 1 in 2,000.
How long does recovery take?
Most people go back to work within 1 to 2 weeks, although this can take longer if double vision persists and your job depends on your sight. The eye is usually red and sore for a few days, and healing continues over 6 to 8 weeks. NHS guidance advises avoiding swimming and make-up close to the eyes for 4 weeks, and not driving for at least a day or two, or for longer if you have double vision. At London Squint Clinic you use eye drops for 6 to 7 weeks and have follow-up appointments at about 2 weeks and 2 months.
How much does double vision surgery cost?
Prices for London Squint Clinic’s surgical packages, and what each package includes, are listed on our double vision surgery cost page.
Who performs the surgery?
Mr Nadeem Ali is a consultant ophthalmic surgeon (MA MB BChir MRCOphth FRCSEd(Ophth)) and a former consultant at Moorfields Eye Hospital who specialises in adult squint and double vision surgery. You can read about his training and experience on his profile page, or book a consultation.
More questions about double vision surgery
Can prism glasses be used instead of surgery?
Prism glasses can help some people with double vision by shifting the image so the two eyes can join it together. They suit some misalignments better than others, and some people prefer surgery to avoid wearing them. The options are compared in our guide to prism glasses and surgery.
Do I need to tell the DVLA about double vision?
Yes. GOV.UK lists double vision among the eye conditions you must tell the DVLA about. You can be fined up to £1,000 if you do not tell the DVLA about a medical condition that affects your driving.
Is the result of double vision surgery final straight away?
Not always. Double vision after the operation usually passes after a week or so, and it usually takes a few weeks before the result can be judged. Sometimes further surgery is needed, particularly when the misalignment is large.
Sources: NHS, Squint surgery (reviewed 2 May 2023); NHS, Double vision (reviewed 12 January 2024); West Hertfordshire Teaching Hospitals NHS Trust, Squint surgery leaflet (ref. 37-2522-V1), which reports the British Ophthalmic Surveillance Unit figures; GOV.UK, Eye conditions and driving.
Double vision surgery Frequently Asked Questions
Further information on double vision
Read these articles by the London Squint Clinic team

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Face-to-face clinic for new patients
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Hello, I’m Nadeem Ali
I’m one of the few eye surgeons in the world with 100% focus on Squint and Double Vision Surgery.
I have 24 years of eye surgery experience, and worked for 13 years as a Consultant at London’s renowned Moorfields Eye Hospital.
In 2023, I left the NHS to focus fully on treating patients from across the world at the London Squint Clinic. You can read more about me here.
There’s lots of information on the website about: squint surgery, double vision surgery and our pricing.
The most rewarding part of my job is hearing patients tell me how squint or double vision surgery has changed their lives. You can hear these stories here.
Mr Nadeem Ali
MA MB BChir MRCOphth FRCSEd(Ophth)
































