Eyelid Surgery for Ptosis Correction

Dr Tan
Ying Chien

Consultant Plastic Surgeon

MBBS (National University of Singapore)
Masters in Medicine (Surgery)
Member of Royal College of Surgeons Edinburgh
Fellow of Academy of Medicine, Singapore (Plastic Surgery)

Dr Wu
Yijun

Consultant Plastic Surgeon

MBBS (National University of Singapore, Singapore)
MRCS (Royal College of Surgeons of Edinburgh, United Kingdom)
MMed (Surg) (National University of Singapore, Singapore)
FAMS (Academy of Medicine of Singapore, Singapore)

What is Ptosis?

Ptosis, also known as blepharoptosis, is a condition characterised by the drooping of the upper eyelid. This can occur in one or both eyes and can range from a barely noticeable sag to a lid that covers the entire pupil. Ptosis can affect people of all ages, although it is more common in older adults due to the natural weakening of the muscles responsible for lifting the eyelid.

What are the Causes of Ptosis?

Understanding the causes of ptosis is important for both diagnosing the condition and determining the appropriate treatment. Below are the primary causes of ptosis:

Congenital Ptosis

Congenital ptosis is present at birth and is often due to an underdeveloped or dysfunctional levator muscle, which is responsible for lifting the eyelid. In some cases, the condition is hereditary, meaning it can be passed down through families. Children with congenital ptosis may also experience other eye-related issues, such as amblyopia (lazy eye) or astigmatism, which can affect vision development if not treated promptly.

Age-Related (Involutional) Ptosis

As we age, the muscles and tissues around the eyes naturally weaken. The levator muscle, which plays a crucial role in lifting the eyelid, can become stretched or lose its elasticity over time. This weakening can lead to age-related ptosis, also known as involutional ptosis. This type of ptosis is common among older adults and often results in a gradual drooping of the eyelids, which can affect both appearance and vision.

Neurological Causes

Ptosis can be a symptom of certain neurological conditions that affect the nerves controlling the eyelid muscles. For example, conditions such as Horner's syndrome, myasthenia gravis, and third cranial nerve palsy can lead to ptosis. These conditions disrupt the normal communication between the brain and the muscles responsible for eyelid movement, resulting in a drooping eyelid. Neurological ptosis often requires a thorough evaluation by a specialist to identify and address the underlying cause.

Traumatic Ptosis

Injury to the eye or the surrounding area can damage the levator muscle or its tendons, leading to traumatic ptosis. This type of ptosis can occur immediately after an injury or develop over time as scar tissue forms and affects muscle function. Trauma-related ptosis can result from accidents, surgical complications, or even repeated rubbing or pressure on the eyelid.

Mechanical Ptosis

Mechanical ptosis occurs when the weight of the eyelid itself causes it to droop. This can be due to the presence of a mass, such as a cyst or tumor, on the eyelid, or from significant swelling or excess skin (dermatochalasis). The added weight pulls the eyelid downward, making it difficult for the muscles to lift it properly.

Aponeurotic Ptosis

This form of ptosis is related to the weakening or detachment of the levator aponeurosis, which is the tendon-like structure that connects the levator muscle to the eyelid. Aponeurotic ptosis is often seen in older adults and is frequently associated with aging or chronic use of contact lenses, which can stretch and weaken the aponeurosis over time. This condition can also result from repeated eyelid rubbing or excessive eye rubbing due to allergies or other irritants.

Myogenic Ptosis

Myogenic ptosis is caused by disorders that affect the muscle fibers directly, such as muscular dystrophies or myasthenia gravis. In these cases, the levator muscle does not contract properly, leading to drooping of the eyelid. This type of ptosis is often associated with other symptoms of muscle weakness in various parts of the body.

Post-Surgical Ptosis

In some cases, ptosis can develop after eye surgery, particularly procedures like cataract removal or LASIK, where the eyelid may be manipulated during the operation. Post-surgical ptosis can result from unintended damage to the levator muscle or its associated structures during the procedure. While this form of ptosis can be temporary, it may sometimes require corrective surgery if it persists.

When to Consider Eyelid Surgery for Ptosis

If you are experiencing ptosis, you might notice several signs and symptoms that indicate it’s time to consider eyelid surgery. Ptosis can affect both the functionality and aesthetics of your eyes, making daily activities challenging and impacting your overall appearance. Below are some common signs and symptoms of ptosis:

• Drooping of the upper eyelid: One or both eyelids may droop, ranging from slight sagging to covering part or all of the pupil.
• Difficulty keeping the eyelids open: You may find it hard to keep your eyes fully open, leading to frequent blinking or the need to tilt your head back to see better.
• Eye strain or fatigue: Constant effort to lift the eyelids can cause discomfort, especially after prolonged reading or computer use.
• Reduced field of vision: The drooping eyelid may obstruct your upper field of vision, making activities like driving or reading challenging.
• Asymmetry between the eyes: One eyelid drooping more than the other can create an uneven appearance, affecting facial symmetry.
• A tired or aged appearance: Ptosis can make your face look fatigued or older than it is, as the drooping eyelids contribute to a weary expression.

If you notice any of these symptoms, particularly if they affect your vision or quality of life, it may be time to explore eyelid surgery as a treatment option. Consulting with a qualified plastic surgeon can help you determine the severity of your ptosis and the best course of action to restore both function and aesthetics to your eyelids.

The Eyelid Surgery Procedure

Eyelid surgery for ptosis correction is a meticulous procedure designed to improve both the function and appearance of the eyelids. Below is a step-by-step overview of what you can expect during the surgery.

Pre-Surgery Consultation and Planning

The first step in the eyelid surgery process is a thorough consultation with your plastic surgeon. During this consultation, the surgeon will:

• Assess the Severity of Ptosis: The degree of eyelid drooping will be evaluated to determine the best surgical approach.
• Review Medical History: Your overall health, previous surgeries, and any medications you’re taking will be discussed to ensure a safe procedure.
• Discuss Expectations: The surgeon will explain the expected outcomes, recovery process, and potential risks, ensuring you have realistic expectations.

Anaesthesia

Eyelid surgery for ptosis is typically performed under local anesthesia with sedation. This approach allows you to remain comfortable and relaxed throughout the procedure, while the area around your eyes is numbed to prevent any pain.

• Local Anesthesia with Sedation: This combination keeps you awake but relaxed, with the eyelids numbed to ensure no discomfort.
• General Anesthesia (in rare cases): In some situations, general anesthesia may be used, especially if the procedure is more complex or combined with other surgeries.

Incision and Muscle Adjustment

Once the anaesthesia has taken effect, the surgeon will begin the procedure:

• Creating the Incision: A small incision is made along the natural crease of the upper eyelid, ensuring that any scarring remains minimal and well-concealed.
• Adjusting the Levator Muscle: The surgeon will either tighten or reposition the levator muscle, which is responsible for lifting the eyelid. If the muscle is too weak, it may be attached to the forehead muscles to assist in lifting the eyelid.
• Removing Excess Skin or Fat (if needed): In some cases, the surgeon may also remove excess skin or fat to enhance the overall appearance of the eyelid and ensure a natural look.

Closing the Incision

After the necessary adjustments have been made, the surgeon will carefully close the incision:

• Sutures: The incision is closed with fine sutures that are typically removed within a week after surgery.
• Minimal Scarring: Because the incision is made along the natural crease, scarring is generally minimal and fades over time.

Post-Surgery Care and Recovery

After the procedure, you will be given instructions to ensure a smooth recovery:

• Managing Swelling and Discomfort: It’s normal to experience some swelling and bruising, which can be managed with cold compresses and prescribed medications.
• Follow-Up Appointments: Regular follow-up visits will be scheduled to monitor your healing progress and ensure optimal results.
• Resuming Activities: Most patients can return to normal activities within a week, though full recovery may take a few weeks. Your surgeon will provide guidelines on when it’s safe to resume more strenuous activities.

Expected Results

The final results of your eyelid surgery will gradually become apparent as the swelling subsides:

• Improved Vision: If ptosis was affecting your vision, you should notice a significant improvement.
• Refreshed Appearance: Your eyes will appear more open and youthful, contributing to a refreshed overall look.
• Long-Lasting Results: The effects of ptosis surgery are typically long-lasting, especially when performed by an experienced surgeon.

Possible Risks and Complications of Eyelid Surgery

While eyelid surgery for ptosis correction is generally safe and effective, as with any surgical procedure, there are potential risks and complications that patients should be aware of. Understanding these risks can help you make an informed decision and prepare for any potential challenges during the recovery process.

• Infection
  • Risk: As with any surgery, there is a risk of infection at the incision site. Although rare, infections can occur if bacteria enter the wound.
  • Prevention: Following your surgeon's post-operative care instructions, including proper wound care and hygiene, can significantly reduce this risk. Antibiotics may also be prescribed as a precaution.
• Bleeding and Hematoma
  • Risk: Excessive bleeding during or after the surgery can lead to a collection of blood (hematoma) under the skin. This can cause swelling, discomfort, and may require additional treatment to resolve.
  • Prevention: Avoiding medications and supplements that thin the blood (such as aspirin or certain herbal supplements) before surgery, as advised by your surgeon, can help minimise this risk.
• Scarring
  • Risk: While incisions are typically made along the natural crease of the eyelid to minimise visible scarring, there is still a possibility of scar tissue formation. In rare cases, scars may become raised or more prominent than expected.
  • Prevention: Adhering to your surgeon’s post-operative care instructions, such as avoiding sun exposure and using recommended scar treatment products, can help ensure that any scarring is minimal and fades over time.
• Dry Eyes or Excessive Tearing
  • Risk: Some patients may experience dry eyes or excessive tearing after eyelid surgery. This can occur if the eyelids are not fully closing due to swelling or muscle adjustment.
  • Prevention/Treatment: Your surgeon may recommend lubricating eye drops or ointments to alleviate these symptoms during the recovery period. If the issue persists, further evaluation may be necessary to address it.
• Temporary or Permanent Vision Changes
  • Risk: Although rare, some patients may experience temporary blurred vision or double vision following surgery. In extremely rare cases, there may be more serious vision issues if complications arise during the procedure.
  • Prevention/Treatment: These symptoms usually resolve on their own as the eyes heal. It is important to follow up with your surgeon if you notice any changes in your vision after surgery.
• Asymmetry
  • Risk: There is a possibility that the eyelids may heal unevenly, leading to asymmetry between the eyes. This can result from differences in swelling, muscle adjustment, or healing patterns.
  • Prevention/Treatment: While your surgeon will take great care to achieve symmetry, minor adjustments may sometimes be needed after the initial surgery. In rare cases, a follow-up procedure may be recommended to correct significant asymmetry.
• Difficulty Closing the Eyes
  • Risk: In some cases, the eyelids may be too tight after surgery, making it difficult to fully close the eyes. This can lead to discomfort, dryness, and potential damage to the eye surface if not addressed.
  • Prevention/Treatment: Your surgeon will carefully measure and plan the surgery to avoid overcorrection. If this complication occurs, additional treatments or minor corrective surgery may be needed.
• Adverse Reaction to Anesthesia
  • Risk: Although rare, some individuals may experience an adverse reaction to the local anesthesia or sedation used during the procedure.
  • Prevention: A thorough pre-operative assessment and discussion of your medical history with your surgeon and anesthesiologist can help minimize this risk.

Minimising Risks

Choosing an experienced and qualified plastic surgeon is one of the most important steps in minimising the risks associated with eyelid surgery. A skilled surgeon will carefully assess your suitability for the procedure, provide detailed pre- and post-operative instructions, and closely monitor your recovery to ensure the best possible outcome.

If you are considering eyelid surgery for ptosis, we invite you to schedule a consultation with us to explore your options.