What ptosis repair is
Ptosis is the medical word for a drooping upper eyelid. It happens when the muscle that lifts the lid, called the levator, becomes stretched or detached from its attachment, most often simply with age. Ptosis repair is the operation that restores the lid to its proper height by tightening or reattaching that muscle.
This is a different problem, and a different operation, from blepharoplasty, which removes excess skin. The two are easy to confuse because both make the upper lid look heavy, and they sometimes occur together. Telling them apart is the most important part of the assessment, because lifting the lid and removing skin are solving different things.
Who benefits from the operation
Ptosis repair helps people whose eyelid sits low enough to cover part of the pupil, blur the top of their vision, or make them lift their brow or tip their head back to see. In most adults the cause is the age-related stretching described above. Less commonly it is present from birth, follows eye surgery or an injury, or relates to a problem with the nerves or muscles, which is why a new or sudden droop should always be assessed rather than assumed to be cosmetic.
Because the lifting muscle is delicate and the target height is precise, this is very much an operation where experience with eyelids matters.
The procedure
Ptosis repair is usually carried out under local anaesthetic as a day case. The most common approach is from the front of the lid, through an incision hidden in the natural skin crease, where the levator muscle is tightened or reattached to set the lid at the right height. In some cases the operation is done from the inside of the lid, leaving no external scar.
One feature often surprises people: for much of the operation you may be asked to open and close your eyes while sitting up, so that the height and contour of the lid can be checked and fine-tuned in real time. This is a good thing. Because the final position is judged with you awake, the result can be matched carefully to the other side. The operation usually takes under an hour.
Recovery
As with other eyelid surgery, bruising and swelling are normal and settle over one to two weeks. Sutures are usually removed at around a week. The lid height can look slightly high or low at first while the swelling is present, and it is normal for the final, settled position to take a few weeks to declare itself. Lubricating drops are helpful in the early period, as the eye can feel a little dry while the lid adjusts.
A quiet week, avoiding heavy lifting and strenuous activity briefly, gives the best healing.
Risks and things to weigh
Ptosis repair is generally safe, but it asks for honesty about one thing in particular: it is a precise operation, and the commonest issue is that the lid ends up a little higher or lower than intended, or slightly different in height or contour from the other side. Because eyelid height is measured in millimetres, a small adjustment is occasionally needed afterwards, and this is a recognised part of the surgery rather than a failure of it. Other risks include temporary dryness, bruising, and rarely a change in the lid crease. Serious complications are uncommon.
Setting expectations clearly beforehand, and choosing a surgeon who does this regularly, are the best safeguards against disappointment.
In summary
- Ptosis is a drooping upper lid caused by weakening of the muscle that lifts it
- Ptosis repair tightens or reattaches that muscle to restore the lid height
- It is different from blepharoplasty, which removes excess skin; the two sometimes go together
- It is usually a day case under local anaesthetic, often done partly with you sitting up and awake to fine-tune the height
- Bruising settles over one to two weeks; the final lid position takes a few weeks to settle
- The main risk is a small height or contour difference that occasionally needs a minor adjustment
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Visit my private clinic →Common questions
Is ptosis repair done awake?
Usually, yes. It is most often carried out under local anaesthetic with the eyelid numbed, and you may be asked to open and close your eyes while sitting up so the surgeon can set the lid height precisely. This awake adjustment is a deliberate advantage, not a drawback.
Is ptosis repair painful?
No, it is generally not painful. The lid is fully numbed during the operation, and afterwards simple painkillers are usually all that is needed. Expect tightness, swelling, and some bruising rather than pain.
Will my eyelids match afterwards?
The aim is symmetry, and doing the operation with you awake helps achieve it. Because lid height is measured in millimetres, a small difference can remain, and occasionally a minor adjustment is needed. This is a normal, recognised part of ptosis surgery.
Is a droopy eyelid always just age?
Most often in adults it is age-related stretching of the lifting muscle. But a droop that comes on suddenly, or one with double vision, pain, or an unequal pupil, can point to something that needs urgent assessment, so a new droop should always be checked rather than assumed to be cosmetic.
Will the NHS pay for ptosis repair?
Where the droop genuinely affects the field of vision and criteria are met, ptosis repair can be funded, since it is then a functional rather than cosmetic operation. Where the concern is purely appearance, it is carried out privately. An assessment, sometimes with a visual field test, clarifies which applies.
This page is for general educational purposes and does not constitute medical advice. Decisions about surgery should be made with a qualified surgeon after a full assessment. Last reviewed May 2026 by Chris Matthews, Consultant Ophthalmologist and Oculoplastic Surgeon.
