5 Common Types of Eye Surgery

There are multiple types of eye conditions that could make a patient consider surgery. For example, cataracts may cause major vision blockages that interfere with daily life, or a patient may want to undergo laser surgery in order to correct their vision without the need for glasses.

In the modern day, there is a substantial number of surgical options that may be able to address these specific visual challenges. Knowing the different types of eye surgeries, how they are performed, and the associated advantages and risks allows individuals to make well-informed decisions that align with their vision care requirements.

1. Cataract Surgery

Cataract surgery is one of the most widely performed eye procedures in Singapore. It is typically recommended when the natural lens becomes cloudy, causing blurred or dimmed vision.

What Happens During a Cataract Surgery Procedure?

Cataract surgery is typically performed under local anaesthesia. The surgeon makes a small incision in the cornea and uses a specialised instrument to break up and remove the cloudy lens. During the surgery, the cloudy lens is most often removed and replaced with a clear artificial lens, called an intraocular lens (IOL).

Recovery and Aftercare

Recovery from cataract surgery is typically quick, with many patients noticing improved vision within several days. Full healing may take a few weeks, and patients are advised to follow post-operative instructions carefully to prevent complications such as infection or swelling.

2. LASIK Eye Surgery

LASIK (laser-assisted in situ keratomileusis) surgery is designed to correct refractive errors, such as nearsightedness, farsightedness and astigmatism. The surgeon will reshape the corneal tissue using a laser to help light focus correctly on the retina.

What Happens During a LASIK Eye Surgery Procedure?

LASIK is typically performed as a day procedure using numbing eye drops to ensure comfort. The surgeon first prepares the surface of the cornea to access the underlying tissue. Certain techniques involve making incisions on the corneal flap, while other surface-based procedures like Epi-LASIK do not.

The surgeon then uses the laser to reshape the corneal tissue with high precision, allowing light to focus more accurately on the retina. Once the reshaping is complete, the cornea is repositioned or left to heal naturally, depending on the approach. The procedure is usually completed within a short time, and patients can return home on the same day.

Recovery and Aftercare

LASIK is a quick procedure, often completed within 30 minutes. Patients usually experience noticeable vision improvement within 24–48 hours. While mild side effects like dry eyes and halos around lights may occur temporarily, they generally resolve as the eyes heal. Patients need to attend follow-up appointments and adhere to aftercare guidelines to ensure optimal results.

3. Glaucoma Surgery

Glaucoma surgery is performed to treat glaucoma, a group of eye conditions that cause damage to the optic nerve, often due to increased intraocular pressure (IOP). This damage can lead to gradual and irreversible vision loss.

Surgical treatment aims to lower eye pressure and prevent further optic nerve damage. It is usually considered when medication and non-invasive treatment methods are not sufficient to control the condition.

What Happens During a Glaucoma Surgery Procedure?

Several surgical techniques are available depending on the severity and type of glaucoma. One of the most common methods is trabeculectomy, which involves creating a drainage channel to allow excess fluid to leave the eye, thereby reducing pressure.

Recovery and Aftercare

After glaucoma surgery, patients may experience mild discomfort and temporary blurred vision during the initial recovery period. Recovery time varies depending on the type of procedure performed. Careful adherence to post-operative instructions helps reduce the risk of complications and supports long-term treatment success.

4. Retinal Surgery

Retinal surgery encompasses a range of procedures aimed at addressing conditions that affect the retina, including retinal detachment, macular holes or diabetic retinopathy. Vitrectomy is one of the most commonly performed retinal surgeries.

What Happens During a Retinal Surgery Procedure?

The surgeon removes the vitreous gel, which fills the inside of the eye, to access and repair the retina. Techniques may include sealing retinal tears with laser treatment or freezing (cryotherapy) and repositioning the retina to its proper place. In cases of retinal detachment, a silicone band or gas bubble may be used to stabilise the retina during healing.

Recovery and Aftercare

Recovery from retinal surgery depends on the complexity of the condition being treated. Patients may need to maintain specific head positioning, particularly if a gas bubble was used, to facilitate proper healing. Regular follow-up appointments are essential to monitor progress and address any complications.

5. Corneal Transplant

A corneal transplant, also known as keratoplasty, is a procedure to replace damaged or diseased corneal tissue with healthy donor tissue. It is often performed to restore vision in patients with conditions such as keratoconus, corneal scarring or corneal dystrophies.

What Happens During a Corneal Transplant Procedure?

There are different types of corneal transplants, including full-thickness transplants (penetrating keratoplasty) and partial-thickness transplants (lamellar keratoplasty). The choice of procedure depends on the extent of damage to the cornea. During the surgery, the affected corneal tissue is carefully removed and replaced with the donor tissue, which is secured with fine sutures.

Recovery and Aftercare

Recovery times can vary, with initial healing taking a few weeks and full recovery potentially requiring several months. Patients are monitored closely for signs of rejection or infection, both of which are rare but manageable with prompt treatment.

When Should I Consult an Ophthalmologist to Discuss Eye Surgery?

If you are experiencing persistent changes in your vision, such as blurriness, glare, difficulty seeing at night or reduced peripheral vision, it may be time to consult an ophthalmologist. Early assessment is especially important for conditions like cataracts, glaucoma or retinal issues, where timely intervention can help prevent further vision loss.

Even if your symptoms seem mild, a comprehensive eye examination can help identify underlying problems and determine whether surgical treatment is necessary or if non-surgical options may be suitable.

At Steve Seah Eye Centre, we offer comprehensive eye assessments to detect potential issues early and guide appropriate management of various vision-impacting conditions. Care is led by senior consultant ophthalmologist Dr Steve Seah, who has over 30 years of clinical experience in diagnosing and managing a wide range of eye conditions, supporting long-term vision health.

If you have concerns about your vision or would like to explore your options, contact us today to arrange a consultation and take the next step towards protecting your eye health.