DROOPING EYELID

Ptosis: When a Drooping Eyelid Affects More Than Appearance

Ptosis is a condition in which the upper eyelid sits lower than normal. It may be present from birth (congenital ptosis) or develop later in life (acquired ptosis).

Although ptosis can affect facial appearance, it may also interfere with vision. In children, a drooping eyelid can obstruct the developing visual axis and lead to amblyopia (lazy eye). In adults, it may reduce the upper field of vision and cause difficulty with everyday activities such as reading, driving, or looking upward.

WHY DOES IT HAPPEN?

Causes of Ptosis

  • Congenital ptosis — related to abnormal development or weakness of the eyelid-lifting muscle
  • Age-related ptosis — caused by stretching or weakening of the levator muscle or its tendon
  • Neurological conditions
  • Myasthenia gravis and other neuromuscular disorders
  • Trauma or previous eye surgery
  • Muscle disorders
  • Eyelid or orbital lesions and tumours

Identifying the underlying cause is an important first step in choosing the right treatment.

HOW IT'S DONE

Treatment Tailored to Your Eyes

Treatment depends on the cause, severity, age, visual needs, and strength of the eyelid-lifting muscle. When surgery is appropriate, two commonly used approaches are:

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Levator Resection or Advancement

When the levator muscle has adequate function, it can be shortened or advanced to elevate the eyelid and improve its position and contour.

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Frontalis Sling

When levator function is poor, the eyelid can be connected to the frontalis (forehead) muscle using a sling — the patient's own fascia lata, harvested from the thigh, or an appropriate synthetic sling — so the forehead muscle assists in lifting the eyelid.

Acquired ptosis before surgery Acquired ptosis after surgery

Acquired ptosis — before and after levator surgery

Congenital ptosis before surgery Congenital ptosis after surgery

Congenital ptosis — before and after Frontalis Sling surgery

ADULT-ONSET PTOSIS

Finding the Cause Matters

New or progressive ptosis in an adult should not automatically be considered an age-related change. Depending on the clinical findings, it may be associated with conditions such as myasthenia gravis, nerve disorders, muscle disorders, trauma, or eyelid and orbital pathology. In some patients, treating the underlying medical condition may improve the ptosis without the need for immediate surgery.

A sudden drooping of one eyelid requires prompt medical assessment — particularly when accompanied by double vision, unequal pupils, headache, abnormal eye movements, or other neurological symptoms, since sudden ptosis may indicate an underlying neurological disorder requiring urgent evaluation.

At an oculoplasty consultation, the eyelid position, levator function, eye movements, pupils, vision, and surrounding structures are carefully assessed, with neurological or systemic evaluation recommended where necessary.

Better Vision. Natural Appearance. Thoughtful Oculoplasty.

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