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graphic showing how eyes are treated during laser eye surgery
By In-house Team, Circle Health Group

The pros and cons of laser eye surgery

Considering laser eye surgery? Explore the pros and cons, side effects, and healing process. Learn about vision correction options to make an informed decision

Are you tired of relying on glasses or contact lenses to see clearly? Laser eye surgery, also known as refractive surgery, offers a potential solution to improve your vision. However, like any medical procedure, it comes with both benefits and risks.

Let's delve into the pros and cons of laser eye surgery to help you make an informed decision about this life-changing procedure.

The pros of laser eye surgery

illustration representing laser eye surgery pros and consLaser eye surgery has gained popularity as a way to achieve clearer vision without the need for corrective lenses. Here are some potential benefits:

Improved vision without glasses or contacts

The primary advantage of laser eye surgery is achieving improved vision without the hassle of glasses or contact lenses. Imagine waking up in the morning with clear vision, being able to see the world without the aid of corrective eyewear.

Quick recovery and fast results

In many cases, patients experience a relatively quick recovery after laser eye surgery. You might notice improved vision within hours or a few days, depending on the specific procedure. This rapid recovery can significantly enhance your quality of life.

Long-term cost savings

While laser eye surgery requires an upfront investment, it can lead to long-term cost savings. Think about the money spent on purchasing and maintaining prescription glasses or contact lenses over the years. Laser eye surgery can eliminate or significantly reduce these ongoing expenses.

Minimal discomfort during the procedure

Laser eye surgery is typically performed using numbing eye drops, minimising discomfort during the procedure. Most patients report feeling only a slight pressure or sensation during the surgery itself.

The cons of laser eye surgery

While laser eye surgery offers several benefits, it's essential to be aware of the potential drawbacks:

Risk of side effects and complications

As with any surgical procedure, there's a risk of side effects and complications. These can include dry eyes, glare, halos around lights, and difficulty with night vision. While many patients experience minimal side effects, it's crucial to understand the potential risks.

Temporary discomfort during recovery

While most patients recover quickly, some may experience temporary discomfort during the healing process. This can include dry eyes, itching, and mild pain. It's important to follow your doctor's post-operative instructions to minimise these effects.

Flap-related issues

In LASIK and similar procedures, a corneal flap is created to reshape the cornea. Rarely, complications can occur with the new flap in the cornea, such as dislodgement or infection. These issues require prompt medical attention.

It’s not suitable for everyone

Laser eye surgery is not suitable for everyone. Individuals with certain medical conditions, unstable prescriptions, or thin corneas may not be good candidates. A thorough evaluation by an ophthalmologist is essential to determine your eligibility.

LASIK (Laser-Assisted in Situ Keratomileusis) is one of the most popular types of laser eye surgery. It's primarily used to correct nearsightedness, farsightedness, and astigmatism.

Types of laser eye surgery and their pros and cons

Laser eye surgery comes in various forms, each designed to address specific vision issues. Here's a closer look at the different types of laser eye surgery and the processes involved. Your consultant can help you decide which type of laser eye surgery is right for you.

LASIK pros and cons

LASIK (Laser-Assisted in Situ Keratomileusis) is one of the most popular types of laser eye surgery. It's primarily used to correct nearsightedness, farsightedness, and astigmatism. Here are its pros and cons:


  • Stable results: LASIK outcomes are often stable and predictable, providing long-lasting vision correction
  • Versatility: LASIK can correct nearsightedness, farsightedness, and astigmatism in varying degrees


  • Dry eyes: Temporary dryness of the eyes is common after LASIK, although it usually resolves over time
  • Risk of regression: In some cases, vision may regress over time, necessitating further adjustments
  • Thin corneas: LASIK may not be suitable for individuals with thin corneas, as creating a flap can compromise corneal thickness

LASEK pros and cons

LASEK (Laser Epithelial Keratomileusis) is a procedure that features some elements from LASIK, but instead of creating a corneal flap, LASEK gently lifts the thin outer layer of the cornea, making it a preferred option for individuals with thinner corneas. Here are its pros and cons:


  • Works for thin corneas: LASEK is suitable for individuals with thin corneas who might not be good candidates for LASIK
  • Reduced risk of flap complications: LASEK avoids flap-related complications


  • Moderate recovery: LASEK recovery is longer than LASIK, with slower visual improvement
  • Epithelial healing: Healing of the epithelium can result in discomfort, blurred vision, and fluctuations in vision during the early recovery period
  • Risk of haze: Some individuals may experience corneal haze during the healing process
  • Contact lens use: A protective contact lens is worn during epithelial healing, which can be bothersome for some patients

YAG Laser Capsulotomy pros and cons

YAG laser capsulotomy is a common and relatively quick procedure used to treat a condition called Posterior Capsule Opacification (PCO), which can occur after cataract surgery. Here are its main pros and cons:


  • Non-invasive: YAG laser capsulotomy is a non-invasive procedure that doesn't require any incisions or surgical instruments
  • Quick procedure: The procedure is usually completed within a few minutes, and patients can often return home shortly after
  • Rapid visual improvement: Many patients experience immediate visual improvement after the procedure
  • Long-lasting results: Once the capsule is treated, it usually doesn't require further intervention


  • Risk of retinal detachment: While rare, there's a small risk of retinal detachment following YAG laser capsulotomy
  • Floaters: Some patients may experience an increase in floaters after the procedure, although this often resolves over time
  • Increased eye pressure: In some cases, the procedure can cause a temporary increase in eye pressure
  • Visual disturbances: Patients may experience temporary visual disturbances immediately after the procedure, such as glare and halos
  • Need for follow-ups: Regular follow-up appointments are essential to monitor eye health and address any potential complications

Selective Laser Trabeculoplasty (SLT) pros and cons

Selective Laser Trabeculoplasty (SLT) is a specialised laser procedure used to treat open-angle glaucoma, a condition that leads to increased intraocular pressure and potential damage to the optic nerve. Here are its pros and cons:


  • Non-invasive: SLT is a non-invasive procedure that doesn't involve incisions or surgical instruments
  • Effective pressure reduction: The procedure can effectively lower intraocular pressure, reducing the risk of glaucoma progression
  • Repeatable: SLT can be repeated if necessary, offering flexibility in managing glaucoma over time
  • Minimises reliance on medication: For some patients, SLT can reduce or eliminate the need for glaucoma medications


  • Variable response: While many patients experience a significant decrease in eye pressure, the response to SLT can vary
  • Temporary pressure spike: Some patients may experience a temporary increase in intraocular pressure after the procedure
  • Possible need for repeat treatment: The effects of SLT may diminish over time, requiring additional treatments
  • Not suitable for all types of glaucoma: SLT is most effective for open-angle glaucoma and may not be suitable for other forms of the disease
  • Short-term inflammation: Inflammation and discomfort in the treated eye are possible in the days following SLT

Choosing the right type of laser eye surgery depends on factors such as your prescription, corneal thickness, and individual preferences. Consultation with an ophthalmologist is crucial to determine the most suitable option for your unique needs.

Understanding the healing process is crucial for making an informed decision about laser eye surgery. After the procedure, your eyes will need time to adjust and heal.

The healing process and what to expect

Understanding the healing process is crucial for making an informed decision about laser eye surgery. After the procedure, your eyes will need time to adjust and heal. Here's what to expect during the recovery period:

Very quick recovery

Right after the surgery, your eyes may feel slightly irritated or watery. Your vision might be blurry initially, but it should improve within a few hours or days. Most patients can resume normal activities within a day or two.

Follow-up appointments

Your surgeon will schedule follow-up appointments to monitor your healing progress. These appointments are essential for ensuring that your eyes are healing as expected and that any potential issues are addressed promptly.

Gradual improvement

While some patients experience immediate improvements in vision, it's common for vision to continue improving over several weeks. Your eyes need time to adjust to the new corneal shape created during the surgery.

Avoiding strain and irritation

During the healing process, it's crucial to avoid activities that can strain your eyes, such as reading for extended periods or using electronic devices excessively. Your surgeon will provide specific guidelines to promote optimal healing.

Making the decision to have laser eye surgery

Ultimately, the decision to undergo laser eye surgery should be well-informed and based on your individual needs and preferences. Consultation with an experienced ophthalmologist is essential to determine if you're a suitable candidate for the procedure.

A consultant ophthalmologist will evaluate your eye health, prescription, and overall medical history to determine if laser eye surgery is right for you. They will discuss the potential benefits and risks based on your unique circumstances.

Having realistic expectations is crucial. While many patients achieve significant improvements in vision, perfection cannot be guaranteed. Understanding the potential outcomes will help you make an informed choice.

Call us or book online to speak to one of our ophthalmology consultants if you think you would benefit from laser eye surgery and discuss whether it’s right for you.

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