22A Harley Street London W1G 9PB

Permanent Clarity Awaits: 20/20 Vision with Lens Replacement in London

From Only £3,250*
Usually £3,800

Permanent freedom from glasses with Refractive Lens Exchange, Harley Street’s internationally acclaimed surgeons and premium multifocal lenses are at your service.

Ready to See Clearly?


★★★★★

Rated by London Patients

30+

years of surgical experience

Aftercare

1-Year on all Treatments

Technology

Alcon Refractive Suite

Why Choose Precision Vision London?

Expert Surgeons. Advanced Technology. Personalised Care.

At Precision Vision London, your vision is in the safest hands. Led by Dr. Radwan Almousa MD, an award-winning refractive and cataract surgeon with extensive international training, we specialise in delivering outstanding lens replacement results through precision diagnostics, world-class laser technology, and individually tailored treatment plans.

Decades of Expertise
Thousands of successful lens replacement and cataract procedures performed in London and internationally.
Cutting-Edge Equipment
Next-generation premium intraocular lenses and advanced diagnostic imaging.
Tailored Treatments
Every plan is designed for your eyes – ensuring clarity at all distances, near and far.
1-Year Aftercare
From your first scan to your final check-up, we’re with you every step of the way.
Dr Pillai performing Surgery
The best way to find out which treatment suits you is to book a consultation, where we’ll carry out advanced diagnostic scans and give you a clear recommendation.

How Lens Replacement Surgery Works?

Why Your High Prescription Could Make Lens Replacement Risky

At Precision Vision London, we provide advanced Lens Replacement Surgery in Harley Street, one of London’s most prestigious medical districts. The procedure is similar to cataract surgery, the eye’s natural crystalline lens is gently removed and replaced with a premium intraocular lens (IOL), customised to your vision needs.

Lens Replacement Surgery, also known as Lens Exchange (LE), Clear Lens Exchange (CLE), Natural Lens Replacement, or Refractive Lens Exchange (RLE), is designed to permanently correct a wide range of vision problems.

This innovative treatment is especially effective for people suffering from presbyopia (difficulty seeing up close), as well as those needing correction for distance vision or astigmatism. The procedure itself is quick, safe, and painless typically taking less than 20 minutes per eye. Both eyes are usually treated on the same day, allowing patients to walk away with clearer vision and freedom from glasses or contact lenses.

Because each eye is unique, the type of intraocular lens we use is carefully selected to match your lifestyle and prescription. Recognised by the World Health Organization (WHO) as one of the safest medical treatments worldwide, Lens Replacement Surgery at Precision Vision London offers a proven pathway to long-lasting clarity and confidence.

Are You Eligible for Lens Replacement Surgery?

Most adults over the age of 45 who are experiencing presbyopia (difficulty with near vision) or early signs of cataracts are suitable candidates for Lens Replacement Surgery, also known as Refractive Lens Exchange (RLE) or Clear Lens Exchange (CLE). This procedure is particularly beneficial for individuals who no longer want to rely on reading glasses, bifocals, or varifocal lenses.

Lens Replacement Surgery can effectively correct both distance and near vision, as well as astigmatism, by replacing the natural lens of the eye with an advanced intraocular lens (IOL). This makes it a strong option for people who may not be suitable for laser eye surgery due to higher prescriptions, thinner corneas, or age-related changes in the natural lens.

You may not be suitable if you have untreated eye conditions such as advanced glaucoma, severe macular degeneration, corneal disease, or uncontrolled systemic health issues like diabetes or autoimmune disorders. Pregnant or breastfeeding women are also advised to postpone treatment.

At Precision Vision London, our detailed diagnostic screening ensures that every recommendation is completely personalised. 

Laser Eye Surgery London Suitability

If Lens Replacement Surgery is not the best fit for you, our surgeons will discuss other tailored treatment paths based on your age, prescription, and eye health, ensuring you always have a safe and effective route to clearer vision

Happy Patients

Transparent Pricing for your Lens Replacement Surgery in London

Affordable Excellence in Vision Care. At Precision Vision London, our prices are fully transparent and include consultation, surgery and aftercare.

Refractive Lens Exchange (RLE) Starts from £3,250* per eye

Consultation Fee – £300

This deposit is taken at the time of booking and is non-refundable

Monofocal Lens – £3250 per eye

Distance correction without astigmatism.

Monofocal Toric Lens – £3550 per eye

Distance correction for patients who have an astigmatism.

Multifocal Lens – £3750 per eye

Multi-distance correction (distance, near and intermediate vision)

Multifocal Toric Lens – £4300 per eye

The type of lens a patient is suitable for is dependent on whether there is an astigmatism present and the results of the consultation. A deposit of £1250 per eye is required when reserving treatment and is deducted from the final cost.

Your 4 Steps Treatment Plan

Our approach revolves around prioritising your optimal well-being.

Prior to your consultation

Your first point of contact will be with Precision Vision London’s highly trained and knowledgeable patient coordinators.

Treatment

On the day of your treatment, our clinical team will guide you through the process and address any concerns or questions you may have.

Precision Vision London Eye Surgery Clinic

Consultation

At Precision Vision London, we believe that it is essential to be selective to ensure that every patient has the best treatment to suit their visual and lifestyle needs which is why determining suitability is incredibly important.

Aftercare

Your aftercare begins immediately after treatment when you are taken to the recovery room to relax and, when you are ready to leave, our specialist nurse will examine you before you go home.

Cost of Lens Replacement Surgery London starts from just £3,250*

Lens Replacement Surgery FAQ's

Who is suitable for Lens Replacement surgery?

Lens Replacement treatment is suitable for those over the age of 40 whose natural lens has started to age and will naturally deteriorate over time. There is no upper age limit and no prescription limitation. The only requirement is that your prescription has stabilised and that it is not currently in the midst of a decline.

Lens Replacement is suitable for patients who have very high and complicated prescriptions that cannot be treated by Laser Eye Surgery or Implantable Contact Lens treatment.

What is the difference between Lens Replacement and cataract surgery?

The Lens Replacement procedure is virtually identical to cataract surgery. The only difference is that a clear lens is removed in the Lens Replacement treatment and a cloudy lens is removed in cataract surgery.

What are Monofocal implants?

Traditional intra-ocular implants are Monofocal lenses which focus light to only one point, meaning they correct distance vision only and glasses will be needed for near vision. This is the type of lens that is typically used by the NHS.

What are Trifocal implants?

A Trifocal intraocular lens has more than one point of focus, enabling clear distance, intermediate and near vision. It has revolutionised the results of treatment and allows for patients to be glasses free.

Are Trifocal lenses like varifocal spectacles or contact lenses?

The optical design of intraocular lenses is completely different to varifocal spectacles. Instead of a patient needing to move their head to adjust the focus, they will be able to comfortably see distance, intermediate and near without having to make any movements. Layered concentric circles are used to correct each form of prescription issue allowing for simultaneous correction of all fields of vision.

What lenses do Precision Vision provide?

Precision Vision provide lenses from the following companies:

What if you are unsuitable for a Trifocal lenses?

Suitability for treatment and the type of lens is determined at your consultation.

If you are unsuitable for Trifocal intraocular lenses, Monofocal lenses are available. These can be used to either aim for monovision (one eye for distance, one eye for reading), or to correct your distance vision in both eyes and glasses will be needed for near vision. This will all be explained in detail during your consultation

How long does the lens implant last?

Once the natural lens has been removed and replaced with lens implants patients will likely never require surgery again. The materials from which the lenses are made from have been subject to accelerated ageing tests. Results have demonstrated that the lens material will last in excess of 150 years before showing signs of degradation.

Will the procedure be painful?

No pain is felt as anaesthetic drops are used to numb the eye. However some discomfort or pressure can be felt during the procedure.

How long after surgery will you be able to see clearly?

Most patients notice a difference to their vision immediately after the procedure. Distance vision is the first field of vision to settle, typically taking 24 to 48 hours. However, it can take slightly longer to adjust to the new reading vision.

How much time off work will you require?

Generally you will need 3-5 days off work (for most office jobs). Two for the treatment and one or two days afterwards to rest. Patients are able to perform most day to day tasks one day after surgery without any difficulty. Your working environment will also be taken into consideration and our surgeon will advise on what precautions should be taken at your consultation.

Will there be restrictions after surgery?

There will be a few restrictions after treatment. Examples include avoiding sports that may cause trauma to the eye, avoiding dusty environments and lifting heavy weights. At your consultation, we will take into consideration your lifestyle and hobbies and advise you accordingly.

Where will the treatment take place?

All our treatments are carried out at our Precision Vision clinic on 22 A, Harely Street London W1 9PB. Precision Vision is one of the very few clinics in the UK where everything from consultation to surgery and aftercare is conducted under one roof.

Can you develop cataracts in the future?

The Refractive Lens Exchange procedure involves removing the natural lens where a cataract would have developed. When a patient undergoes Lens Replacement treatment, it means that they will never develop a cataract in either eye at any point in the future.

Will you be able to feel the implant?

The lens implant is inside the eye where there are no nerves or sensation, so it cannot be felt. It will not feel like a contact lens and you will be completely unaware that it is there, apart from experiencing greatly improved vision.

How many times will you need to attend the Harley Street clinic?

Your consultation, treatment, one day post op, two week and the six week aftercare appointments are carried out at Precision Vision’s Harley Street clinic. After this time, we can hand you over to the care of one of our nationwide independent optometrist partners, allowing you to stay closer to home for the remainder of the follow-up appointments.

Meet Our Surgeon

Radwan Almousa MD, FRCOphth, CertLRS

Dr. Radwan Almousa MD, FRCOphth, CertLRS

Meet Dr. Radwan Almousa, a renowned ophthalmologist with Fellowships in Oculoplastics, Cornea, Anterior Segment, and Refractive Surgery. With an illustrious career spanning some of the world’s leading hospitals, Mr. Almousa is celebrated for his exceptional skill in managing complex eye conditions and performing advanced surgical procedures.

Education & Training
Dr. Almousa's journey to ophthalmic excellence began with an MD from the University of Damascus. His passion for continuous learning led him to achieve the prestigious Certificate in Laser and Refractive Surgery (CertLRS), Membership of the Royal College of Surgeons of Edinburgh (MRCSEd), and Fellowship of the Royal College of Ophthalmologists (FRCOphth). He has completed specialised training in: Oculoplastics Fellowship at the National University Hospital, Singapore Cornea, Anterior Segment & Refractive Surgery Fellowship at Queen Victoria Hospital, UK.
Career Achievements
Dr. Almousa's expertise has been shaped by roles at prestigious institutions such as Moorfields Eye Hospital, Queen Victoria Hospital, and The Wellington Hospital. His surgical precision and innovative approach to patient care have earned him accolades and recognition worldwide. Performed thousands of cataract surgeries with advanced techniques like implantable contact lenses. Developed treatment protocols for corneal transplantation and ocular inflammatory diseases. Combined oculoplastics expertise with corneal specialisation to improve outcomes in eyelid malposition surgeries while preserving ocular surface health.
Research & Contributions
A prolific researcher, Mr. Almousa has published 18 peer-reviewed papers and presented at international ophthalmology conferences. His studies in refractive surgery, corneal diseases, and oculoplastics have driven advancements in surgical techniques and patient care. His work is frequently cited in renowned industry forums, including ARVO and AAO meetings. Mr. Almousa’s dedication to sharing knowledge extends to his role as an instructor for ophthalmic courses globally.
Doctify Badge - patient Experience

Life-Changing Lens Replacement Surgery in London

At Precision Vision London, we provide advanced Lens Replacement Surgery (also known as Refractive Lens Exchange or Clear Lens Exchange) — a long-term solution for those struggling with reading glasses, bifocals, varifocals, or early cataracts. This transformative procedure replaces your natural lens with a state-of-the-art intraocular lens (IOL), giving you clearer, sharper vision at all distances.

As a trusted, independent Harley Street clinic, we are committed to personalised care and life-changing results. Under the guidance of our Medical Director, Dr. CT Pillai a world-renowned ophthalmologist with over 30 years of experience our expert surgical team ensures you receive the highest standards of safety, precision, and care throughout your vision correction journey.

✅ Prevents the development of cataracts.
✅ Permanent freedom from reading glasses and bifocals.
✅ Advanced premium lens technology for near, distance & astigmatism correction.
✅ Quick, safe and painless procedure with same-day treatment for both eyes.

Call us today 020 3884 6805 and take the first step towards a glasses-free life!

About Lens Replacement Surgery

What is Lens Replacement Surgery? ⁠Benefits of Lens Replacement ⁠Treatment Process

Lens Replacement Surgery, also known as Refractive Lens Exchange (RLE) or Clear Lens Exchange (CLE), is a life-changing procedure designed to free you from glasses, contact lenses, and the hassle of age-related vision changes. By replacing your natural lens with a premium intraocular lens (IOL), this treatment corrects both near and distance vision — making it ideal for patients who find laser eye surgery unsuitable due to age, prescription, or corneal thickness.

Unlike laser treatments that reshape the cornea, Lens Replacement addresses the source of visual decline — the natural lens itself. A key advantage is that you will also never develop cataracts in the future, as the artificial lens does not age or become cloudy. Trusted globally and endorsed by the World Health Organisation (WHO) as one of the safest medical procedures, Lens Replacement has become a proven solution for long-term vision correction.

  • Patients choose Lens Replacement Surgery at Precision Vision London because it provides:
  • Clear vision at all distances (near, intermediate, and far)
  • Permanent freedom from reading glasses, bifocals, and varifocals
  • A solution for a wide prescription range, including astigmatism
  • Suitability for patients with thin or irregular corneas
  • No risk of age-related cataracts in the future
  • Quick recovery — most resume normal activities within a few days
With over 300,000 procedures performed annually in the UK and a safety record second to none, Lens Replacement offers more than improved sight — it gives you long-term confidence, independence, and clarity in everyday life.
  • Your journey begins at our Harley Street clinic, where our expert team ensures comfort and reassurance at every stage:
  • Anaesthetic drops are used to numb the eye, and gentle sedation is given.
  • A micro-incision is made at the edge of the cornea.
  • The natural lens is removed using advanced phacoemulsification technology.
  • A tailor-made intraocular lens (IOL), selected to match your prescription, is implanted.
  • The incision is self-sealing — no stitches required.

The entire procedure takes less than 20 minutes per eye, with both eyes treated on the same day. Aftercare begins the following day with a detailed check-up, ensuring smooth recovery and excellent long-term results.

At Precision Vision London, led by world-renowned surgeon Dr. CT Pillai (30+ years’ experience, 50,000+ successful surgeries), you can trust that your treatment will be safe, precise, and tailored to your unique vision needs.

Intraocular Lens Implants (IOLs)

About Intraocular Lens (IOL) Implants Types of Intraocular Lenses We Offer Why Choose Precision Vision for IOLs

At Precision Vision London, we go beyond the standard lens options offered by NHS providers. While many clinics rely on basic Monofocal IOLs that only correct distance vision, our focus is on personalised lens selection to match your lifestyle and prescription needs.

Intraocular Lens Implants (IOLs) in Lens Replacement Surgery, Harley Street London

Today’s world demands more than just clear distance and reading vision. That’s why we specialise in the latest generation of Multifocal/Trifocal IOLs designed to correct near, intermediate, and distance vision seamlessly. Whether you’re reading a book, working on a computer, or driving at night, Multifocal/Trifocal lenses provide natural, glasses-free vision across all distances.

Trifocal Zones - Lens Replacement Surgery in Harley Street London

Unlike multifocal contact lenses or varifocal glasses, adapting to Multifocal/Trifocal IOLs is smooth and intuitive. Studies show high levels of patient satisfaction, improved night vision, and minimal glare or halos offering you true visual independence.

At Precision Vision, our independence means we are not tied to any single manufacturer, giving our surgeons the freedom to recommend the best IOL for your needs.

Monofocal IOLs – Clear distance vision; available in spherical and toric (for astigmatism) designs. Reading and computer glasses are still required.

Trifocal IOLs – The latest innovation, correcting near, intermediate, and distance vision. Available in both spherical and toric designs, these lenses leave most patients largely glasses-free.

We offer access to the world’s most trusted Trifocal IOLs:

  • AT LISA (Carl Zeiss Meditec, Germany)

    AT LISA IOL - Lens Replacement Surgery in Harley Street London

  • FineVision (PhysIOL, Belgium)

    Finevision iOL for Lens Replacement Surgery in Harley Street London

  • PanOptix (Alcon, USA)

    PanOptix lenses for Lens Replacement Surgery in Harley Street London

This wide choice ensures that every patient receives the most suitable lens, tailored precisely to their eyes and lifestyle.

Our surgeon-led clinic is dedicated to delivering world-class outcomes in Lens Replacement Surgery with premium IOLs. Key benefits include:

✅ Customised treatment – tailored to your prescription, eye health, and lifestyle
✅ Advanced Multifocal/Trifocal lens technology – clear vision at all distances
✅ Freedom from glasses – including reading and computer glasses
✅ Prevention of future cataracts – artificial lenses don’t age or cloud over
✅ Independent expertise – we choose the best lens for you, not the manufacturer

With thousands of successful treatments and patients who were previously considered unsuitable elsewhere, Precision Vision London is the trusted choice for advanced IOL implants in Harley Street.

Technology used for Lens Replacement Surgery in Harley Street London

These three advanced instruments, the VERION Image Guided System, the Centurion Vision System, and the LuxOR Ophthalmic Microscope together comprise the Alcon Refractive Suite, delivering unmatched precision, safety, and consistency in every procedure.

Version Image Guided System Centurion Vision System The Lux-OR Ophthalmic Microscope

The VERION Image Guided System

This is used to capture a digital reference image of the eye during the initial assessment which is used to create a surgical plan. This equipment is also used throughout the treatment allowing the surgeon to see all incisions and alignments in real time, improving accuracy and minimising errors especially whilst correcting astigmatism.

VERION Image Guided System

The Centurion Vision System

This is the newest phacoemulsification system available on the market, it breaks up and removes the natural lens. It allows for smaller incisions and is able to optimise every phase of the lens removal. The device also controls the intra-ocular pressure throughout the treatment and enhances the control of the surgeon, consequently improving the patient’s outcome and accelerating the recovery process.

Centurion Vision System

The Lux-OR Ophthalmic Microscope

The Lux-OR LX3 with Q-VUE Ophthalmic Microscope is designed to provide superior visualisation throughout the surgical procedure, this microscope is able to expand the visual field with a highly stable, 6x greater red reflex zone, providing excellent visual detail with superior visualisation of the retina.

Lux-OR LX3 with Q-VUE Ophthalmic Microscope

Take the first step towards freedom from glasses and contact lenses. Our consultations are thorough, personalised, and designed to give you clear answers with no obligation to proceed.