Common Questions About Laser Eye Surgery

Q: What is the difference between LASIK and LASEK?

LASIK involves creating a thin flap in the cornea before reshaping the underlying tissue.LASEK and TransPRK are surface procedures where the top layer is gently removed and the laser is applied directly.Each technique has its own advantages and is suited to different eye types. At Centre for Sight, our surgeons recommend the most suitable approach based on your eye health and lifestyle.

Get clear answers to the most common laser eye surgery questions, including suitability, recovery, and long-term results.

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Common Questions About Laser Eye Surgery

What is laser eye surgery and how does it work?

Laser eye surgery is a medical procedure that reshapes the cornea using a precise laser to correct vision problems such as short-sightedness, long-sightedness, and astigmatism. The aim is to allow light to focus correctly on the retina, improving clarity without the need for glasses or contact lenses. Techniques such as LASIK, LASEK and TransPRK use different approaches to achieve this result depending on your individual eye structure and prescription.

Am I suitable for laser eye surgery?

Most adults with a stable prescription and healthy eyes are suitable for laser eye surgery. You should be over 18, in good general health, and not currently pregnant or breastfeeding. At Centre for Sight, we carry out thorough diagnostics including corneal mapping and prescription stability checks to determine your eligibility and recommend the most appropriate treatment.

How long does laser eye surgery take?

The laser eye procedure itself usually takes just 10 to 15 minutes per eye, but you should allow around 1.5 to 2 hours at the clinic on the day of your treatment. This includes preparation, checks, and recovery time. Most patients report minimal discomfort and can return home shortly after surgery.

Does laser eye surgery hurt?

No, laser eye surgery is not painful. Your eyes will be numbed with anaesthetic eye drops before the procedure, so you won’t feel the laser. You may experience mild pressure or a sensation of movement, but not pain. Some patients experience a gritty or dry feeling afterwards, which typically resolves within a few days.

What is the recovery time after laser eye surgery?

Recovery is quick for most people. Many patients return to work and daily activities within 24 to 48 hours, especially after LASIK. For surface treatments like PRK or LASEK, recovery can take a few days longer. Your vision may fluctuate slightly during the healing process, but it typically stabilises within a few weeks. At Centre for Sight, we monitor your progress with regular follow-up appointments.

What are the risks or side effects of laser eye surgery?

As with any medical procedure, laser eye surgery carries some risks, though complications are rare. Temporary side effects can include dry eyes, light sensitivity, and halos around lights at night. In rare cases, infection, under-correction, or over-correction may occur. At Centre for Sight, we use advanced diagnostics and personalised treatment plans to minimise risks and maximise outcomes.

How long do the results of laser eye surgery last?

For the majority of patients, the results of laser eye surgery are long-lasting. Once the cornea is reshaped, your vision should remain stable for many years. However, natural changes in the eye due to ageing – such as presbyopia or cataracts – may affect your vision later in life. These conditions can be treated at Centre for Sight with other solutions such as lens replacement surgery.

Can I have laser eye surgery if I have astigmatism?

Yes, laser eye surgery can correct astigmatism. In fact, many patients with mild to moderate astigmatism benefit significantly from laser treatment. The laser is programmed to reshape the cornea evenly, correcting the uneven curvature that causes blurred or distorted vision. Your consultant will assess the level and type of astigmatism to determine the best treatment option.

What is the difference between LASIK and LASEK?

LASIK involves creating a thin flap in the cornea before reshaping the underlying tissue.
LASEK and TransPRK are surface procedures where the top layer is gently removed and the laser is applied directly.

Each technique has its own advantages and is suited to different eye types. At Centre for Sight, our surgeons recommend the most suitable approach based on your eye health and lifestyle.

Why should I choose Centre for Sight for laser eye surgery?

Centre for Sight is one of the UK’s most trusted private eye hospitals, with over 25 years of experience in consultant-led care. We provide:

Personalised assessments and treatment planning
Access to advanced laser technologies including Pro and iDesign
Purpose-built, CQC-registered facilities in Sussex, Surrey, and Harley Street
Transparent pricing with no hidden costs
Outstanding outcomes and a strong reputation among both patients and professionals

We’re committed to delivering exceptional results and supporting your vision journey every step of the way.