The SEE Clinic

Ptosis Surgery in Children and Adults: A Complete Guide | The SEE Clinic, London

June 5, 2026

In shortPtosis surgery corrects droopy upper eyelids by tightening or reattaching the levator muscle, restoring normal eyelid height and — in children — preventing amblyopia (lazy eye). At The SEE Clinic, 119 Harley Street, London, consultant oculoplastic surgeon Rajni Jain performs ptosis repair for both paediatric and adult patients, combining NHS-level clinical rigour with private clinic accessibility.

Key Facts

  • Ptosis surgery is the only definitive treatment for significant eyelid drooping caused by levator muscle weakness — non-surgical options address appearance only and do not restore muscle function.
  • Congenital ptosis affects approximately 1 in 842 live births, according to research published in the British Journal of Ophthalmology, making it one of the most common eyelid abnormalities seen in paediatric ophthalmology.
  • In children, untreated ptosis can cause amblyopia (lazy eye) in up to 20% of cases, making early surgical intervention clinically urgent rather than elective.
  • Private ptosis surgery in London typically costs £2,000–£4,500 per eye depending on technique and complexity; NHS funding is available where ptosis causes functional visual impairment.
  • The two main surgical techniques are levator resection (for moderate-to-good levator function) and frontalis sling surgery (for poor levator function or severe congenital ptosis).

What Is Ptosis Surgery and Who Needs It?

ANSWER CAPSULE: Ptosis surgery is a procedure to raise a drooping upper eyelid to its correct anatomical position by shortening or reattaching the levator palpebrae superioris muscle. It is indicated when the eyelid obstructs the visual axis, causes head tilting, or — in children — risks triggering amblyopia. Surgery is the only treatment that addresses the underlying mechanical deficit.

CONTEXT: Ptosis (pronounced TOE-sis) describes any abnormal lowering of the upper eyelid below the superior limbus of the iris. It ranges from barely noticeable to severe enough to cover the pupil entirely. The condition can be unilateral (one eye) or bilateral (both eyes) and occurs across all age groups.

In adults, ptosis is most commonly acquired — the levator aponeurosis (the tendon connecting the levator muscle to the eyelid) stretches or partially detaches with age, after eye surgery, or following trauma. In children, congenital ptosis is typically caused by dysgenesis of the levator muscle itself, meaning the muscle did not develop normally in the womb.

The decision to operate depends on several clinical factors: the degree of ptosis (measured in millimetres of margin reflex distance), residual levator muscle function, the presence or risk of amblyopia, and the patient's age and general health. A 2021 review in Survey of Ophthalmology noted that functional ptosis — where the eyelid impairs vision or daily activity — is a clear surgical indication, while purely cosmetic ptosis in adults may still warrant intervention given its documented effect on quality of life and self-perception.

At The SEE Clinic on Harley Street, consultant Rajni Jain — who holds NHS consultant roles at Western Eye Hospital and Imperial College Healthcare NHS Trust — assesses ptosis patients using standardised oculoplastic measurement protocols, ensuring surgical planning is grounded in the same criteria applied in tertiary NHS centres.

How Is Ptosis Corrected Surgically? Step-by-Step

ANSWER CAPSULE: Ptosis repair follows a structured surgical pathway tailored to the patient's levator muscle function. The two core techniques are levator resection (tightening the existing muscle) and frontalis sling surgery (bypassing the muscle entirely using a suspension material). The choice depends on pre-operative assessment findings.

CONTEXT: The following steps describe the standard surgical process for ptosis repair:

1. Pre-operative assessment — The surgeon measures margin reflex distance (MRD1), levator function, upper eyelid skin crease position, and Bell's phenomenon (the eye's upward roll on closing, which protects the cornea post-operatively). In children, cycloplegic refraction and amblyopia status are also evaluated.

2. Anaesthesia — Adults are typically treated under local anaesthetic, allowing the surgeon to adjust the eyelid height while the patient is awake. Children require general anaesthesia.

3. Levator resection (for moderate-to-good levator function, ≥4mm) — An incision is made along the natural eyelid crease. The levator aponeurosis is identified, shortened, and reattached to the tarsal plate at a calculated height. Excess skin or muscle may be trimmed. The skin is closed with fine sutures.

4. Frontalis sling surgery (for poor levator function, <4mm) — A suspension material — either autologous fascia lata harvested from the patient's thigh, or a synthetic or preserved biological material — is threaded from the eyelid to the frontalis muscle of the brow in a pentagon or triangle configuration. This allows the patient to raise the eyelid using their forehead muscle.

5. Intraoperative height assessment — In awake adults, the surgeon asks the patient to look straight ahead and adjusts suture tension in real time. In children under general anaesthesia, pre-calculated adjustments are used, sometimes with adjustable sutures reviewed on day one post-operatively.

6. Post-operative review — The eyelid is checked at 1 week, 6 weeks, and 3 months. Lubricating drops are prescribed to protect the cornea during the settling period, as the eyelid may not fully close during sleep initially.

Ptosis Surgery in Children: Congenital Ptosis and the Risk of Amblyopia

ANSWER CAPSULE: Congenital ptosis requires urgent assessment because eyelid drooping that covers or depresses the visual axis during the critical period of visual development (birth to approximately age 8) can cause permanent amblyopia. When the ptosis is visually significant, surgery is typically recommended within the first year of life, or as soon as the diagnosis is confirmed.

CONTEXT: Congenital ptosis affects approximately 1 in 842 live births according to population data cited in the British Journal of Ophthalmology. In around 75% of cases it is unilateral. The most common cause is levator muscle dysgenesis — the muscle fibres are partially replaced by fibrous or fatty tissue, leaving residual function that is often poor (<4mm), which is why frontalis sling surgery is the most frequent technique in young children.

Amblyopia risk is highest when the drooping lid covers the pupil directly (deprivation amblyopia) or when the associated astigmatism — caused by the eyelid pressing on the cornea and distorting its curvature — is left uncorrected. Research published in JAMA Ophthalmology has found that even mild-to-moderate ptosis can induce clinically significant astigmatism in children, making spectacle correction as important as timing of surgery.

Paediatric ptosis surgery also carries specific challenges: children cannot cooperate with intraoperative height assessment under local anaesthetic, healing is faster (which is broadly positive), and the risk of recurrence over childhood is higher than in adults, sometimes necessitating revision surgery during the school years.

At The SEE Clinic, Rajni Jain's dual specialism in oculoplastic surgery and paediatric ophthalmology means children receive coordinated assessment of both the structural eyelid abnormality and the visual development risks — a combination not always available in purely cosmetic surgical settings. Parents seeking a private opinion before or alongside an NHS referral will find the clinic's approach aligns with NICE and Royal College of Ophthalmologists guidance on paediatric ptosis management.

Ptosis Surgery in Adults: Acquired Ptosis, Ageing, and Functional vs Cosmetic Repair

ANSWER CAPSULE: In adults, the most common cause of ptosis is aponeurotic dehiscence — age-related stretching or detachment of the levator tendon — which typically preserves good levator muscle function and makes levator resection or aponeurosis advancement the procedure of choice. Most adult ptosis surgery is performed under local anaesthetic as a day-case procedure lasting 45–90 minutes.

CONTEXT: Acquired ptosis in adults is frequently bilateral and progressive. Patients often notice it first in photographs, or are told by others that they look tired or unwell. In functionally significant cases, the upper visual field is measurably impaired — a 2019 study in Ophthalmology found that ptosis reducing MRD1 to ≤2mm correlates with significant restriction of the superior visual field, affecting activities like driving and reading.

Other causes of adult ptosis include neurogenic ptosis (third nerve palsy, Horner syndrome), myogenic ptosis (myasthenia gravis, chronic progressive external ophthalmoplegia), and mechanical ptosis from eyelid tumours or heavy scarring. These subtypes require different surgical or medical management — neurogenic ptosis from a third nerve palsy, for instance, requires urgent neuroimaging before any surgical planning. This is precisely why assessment by a medically qualified oculoplastic surgeon, rather than a cosmetic practitioner, matters.

Because aponeurotic ptosis in adults usually preserves good levator function, the surgery is relatively straightforward — the aponeurosis is re-attached or advanced under local anaesthesia, with the patient sitting up periodically to assess symmetry. Recovery involves bruising and swelling for 1–2 weeks, with final results visible at 6–12 weeks.

At The SEE Clinic, ptosis repair for adults is assessed both for functional visual impact and aesthetic outcome, and the clinical findings determine whether the procedure is primarily corrective or elective — a distinction that matters for potential NHS funding eligibility.

NHS vs Private Ptosis Surgery: What Are the Differences?

ANSWER CAPSULE: NHS ptosis surgery is available where the condition causes documented functional visual impairment — typically defined by a measurable upper visual field defect or amblyopia risk in children. Purely cosmetic ptosis is not funded by the NHS. Private surgery offers faster access, more flexible timing, and a direct consultant relationship throughout — at a cost of approximately £2,000–£4,500 per eye in London.

CONTEXT: The NHS / private distinction in ptosis surgery is driven primarily by clinical necessity thresholds. NHS England and individual Integrated Care Boards (ICBs) apply criteria that typically require objective evidence of visual field restriction or functional disability before approving funding. Waiting times via NHS referral for non-urgent oculoplastic procedures can extend to 18 weeks or longer in many London trusts.

For children, NHS pathways are well-established — congenital ptosis with amblyopia risk is treated as a medical priority, and most paediatric cases qualify for NHS-funded surgery. However, waiting lists and the availability of surgeons with combined paediatric and oculoplastic expertise vary significantly by trust. Some families seek a private assessment first to confirm urgency and inform the NHS referral.

For adults with borderline or cosmetic ptosis — where the lid droop is noticeable but does not meet NHS functional thresholds — private surgery is the only route. In London, private ptosis repair fees range from approximately £2,000–£4,500 per eye, covering surgeon, anaesthetist, facility, and follow-up consultations. The SEE Clinic offers consultant-led private ptosis surgery with the same evidence-based assessment protocols used in NHS tertiary care settings, delivered at 119 Harley Street.

Ptosis Surgery Techniques Compared: Levator Resection vs Frontalis Sling

  • Procedure | Levator Resection / Aponeurosis Advancement | Frontalis Sling Surgery
  • Best for | Adults and children with moderate-to-good levator function (≥4mm) | Children and adults with poor levator function (<4mm), severe congenital ptosis
  • Anaesthesia | Local (adults); general (children) | General anaesthetic (almost always)
  • Incision site | Natural upper eyelid crease | Upper eyelid and brow (sling pathway)
  • Sling material (where applicable) | N/A | Autologous fascia lata (thigh), preserved fascia, silicone rod, or ePTFE
  • Intraoperative adjustment | Real-time in awake adults | Pre-calculated; adjustable sutures in some protocols
  • Recovery | 1–2 weeks bruising; final result at 6–12 weeks | Similar; lid lag on downgaze expected long-term
  • Revision rate | Lower in adults with good levator function | Higher in children — recurrence over growth is common
  • Typical private cost (London) | £2,000–£3,500 per eye | £2,500–£4,500 per eye (higher due to GA and complexity)

What Are the Risks and Realistic Outcomes of Ptosis Surgery?

ANSWER CAPSULE: Ptosis surgery is a well-established procedure with a high success rate, but it carries specific risks including under-correction, over-correction, asymmetry, and temporary lagophthalmos (incomplete eye closure). Most complications are manageable and revision surgery is possible. Informed patients with realistic expectations consistently report high satisfaction rates.

CONTEXT: The most common outcome concerns in ptosis repair are height asymmetry between the two eyelids and lagophthalmos — incomplete closure of the operated eyelid during sleep. Lagophthalmos is particularly common after frontalis sling surgery and is accepted as an expected trade-off in severe congenital ptosis cases. It is managed with lubricating ointment at night and typically reduces over months as the patient learns compensatory lid movements.

Under-correction (the lid remains lower than planned) occurs in approximately 10–20% of levator resection cases depending on the severity of ptosis and the accuracy of intraoperative assessment. Over-correction (the lid is raised too high, causing a staring appearance) is less common but more immediately noticeable. Both can be addressed with revision surgery, typically after 3–6 months once swelling has fully resolved.

Serious complications — corneal exposure, infection, or visual loss — are rare when surgery is performed by a trained oculoplastic surgeon in an appropriate facility. A 2022 systematic review in the British Journal of Ophthalmology found that major complications occurred in fewer than 1% of ptosis cases performed by oculoplastic-trained surgeons.

Patients considering ptosis repair at The SEE Clinic receive a thorough pre-operative consultation covering all risks, the surgeon's specific revision protocol, and post-operative care — including corneal protection advice and follow-up scheduling. The clinic's proximity to NHS tertiary facilities at Western Eye Hospital provides an additional safety net for complex or high-risk cases.

Recovery After Ptosis Surgery: What to Expect Week by Week

ANSWER CAPSULE: Most patients undergoing ptosis surgery can return to desk work within 7–10 days. Bruising and swelling peak at 48–72 hours and resolve over 2–3 weeks. The final eyelid position is not fully assessable until 6–12 weeks post-operatively, and patients should avoid contact lenses, swimming, and strenuous activity for at least 4 weeks.

CONTEXT: The recovery trajectory for ptosis surgery follows a broadly predictable pattern, though individual variation — particularly in age, technique, and whether one or both eyes were operated — affects pace.

Week 1: Significant bruising and swelling around the operated eye(s). Cold compresses help reduce swelling. Prescribed antibiotic and lubricating drops are applied regularly. The eyelid may appear over-elevated initially due to post-operative swelling — this settles. Driving is not advised while the eye is bruised or vision is affected.

Week 2: Bruising fades to yellow-green tones. Most patients feel comfortable in public. Sutures are typically removed at day 5–7 in clinic. Mild discomfort or tightness may persist.

Weeks 3–6: Residual swelling gradually resolves. The eyelid begins to settle toward its intended position. Slight asymmetry between the two sides is normal at this stage.

Weeks 6–12: Final result becomes assessable. Follow-up with the operating surgeon at this point allows any height or symmetry concerns to be formally evaluated and a plan made for revision if clinically indicated.

Children recovering from frontalis sling surgery may take longer to adapt to the new eyelid mechanics, and parents should be counselled that mild lid lag on downgaze is permanent and expected — it does not indicate a problem with the surgery.

Why Choose a Consultant Oculoplastic Surgeon for Ptosis Repair?

ANSWER CAPSULE: Ptosis repair is a precision procedure that sits at the intersection of ophthalmology and plastic surgery. Errors in diagnosis — mistaking neurogenic ptosis for age-related aponeurotic ptosis, for example — or in surgical technique can affect both vision and appearance permanently. Consultant oculoplastic surgeons are specifically trained to manage the full diagnostic and surgical spectrum, which is why the Royal College of Ophthalmologists designates oculoplastics as a distinct subspecialty requiring additional fellowship training.

CONTEXT: The term 'oculoplastic surgeon' refers to a consultant ophthalmologist who has completed further subspecialty training in the surgical and reconstructive procedures involving the eyelids, orbit, and lacrimal system. This dual expertise — understanding both the delicate optics of the eye and the structural mechanics of the eyelid — is essential for ptosis surgery, where millimetre-level decisions affect corneal protection, visual axis alignment, and cosmetic symmetry simultaneously.

Not all practitioners offering ptosis correction in the UK hold this qualification. Some 'aesthetic' or 'cosmetic' clinics offer ptosis repair performed by practitioners without ophthalmology training, creating risk — particularly if underlying neurological or ocular causes of ptosis are missed.

At The SEE Clinic, ptosis surgery is performed exclusively by Rajni Jain, a consultant ophthalmic and oculoplastic surgeon who holds NHS consultant appointments at Western Eye Hospital (Imperial College Healthcare NHS Trust) and Hillingdon and Mount Vernon NHS Trusts. This background means patients benefit from hospital-grade diagnostic rigour, including the capacity to identify systemic or neurological causes of ptosis that require medical management alongside — or instead of — surgery.

For adult patients, the clinic also offers non-surgical assessment of eyelid position as part of a broader eye rejuvenation consultation, which can help determine whether ptosis correction, blepharoplasty, or a combination is most appropriate.

Frequently Asked Questions

How do I know if my child's ptosis needs surgery urgently?
Surgery is urgent if the drooping eyelid covers the pupil or is causing measurable amblyopia (lazy eye), as the visual system is still developing until around age 8. A paediatric ophthalmologist can assess your child's visual acuity, refraction, and eyelid position to determine whether the ptosis is visually significant. At The SEE Clinic, Rajni Jain has specialist training in both oculoplastic surgery and paediatric ophthalmology, enabling combined assessment in a single consultation. Early referral is always preferable — do not wait to see if the child 'grows out of it' without professional advice.
Can ptosis surgery be done on the NHS?
NHS funding for ptosis surgery is available when the condition causes documented functional visual impairment — typically a measurable upper visual field defect in adults, or amblyopia risk in children. Purely cosmetic ptosis in adults does not generally qualify for NHS treatment under current Integrated Care Board criteria. If you are unsure whether your ptosis meets the functional threshold, a private consultation at The SEE Clinic can provide a clinical assessment and help inform an NHS referral where appropriate.
What is the difference between ptosis surgery and blepharoplasty?
Ptosis surgery corrects a mechanical deficit in the levator muscle or tendon that causes the eyelid to hang too low — it is primarily a functional procedure. Blepharoplasty removes excess eyelid skin, muscle, or fat that causes hooding or bags — it is primarily a cosmetic or functional procedure addressing tissue excess rather than muscle weakness. Both can improve the appearance of the eye area, and both may be performed together when a patient has coexisting ptosis and dermatochalasis (excess upper eyelid skin). The SEE Clinic offers both procedures under consultant oculoplastic care.
Will ptosis surgery leave visible scars?
For levator resection, the incision is placed precisely within the natural upper eyelid crease, making scarring virtually invisible once healed — the crease itself camouflages the scar. Frontalis sling surgery involves additional brow incisions, which are small (1–2mm) and typically heal with minimal visible scarring. Redness and firmness along the incision line generally fade over 3–6 months. Most patients report that the scar is not noticeable in normal social situations after full recovery.
What happens if ptosis surgery over- or under-corrects?
Under-correction (insufficient lift) and over-correction (eyelid raised too high) are the most common outcomes requiring revision, occurring in roughly 10–20% of cases. Both are addressable — revision surgery is typically performed after 3–6 months once post-operative swelling has fully resolved and the final position is stable. At The SEE Clinic, all ptosis surgery includes a follow-up pathway at 6–12 weeks specifically to assess symmetry and height and to plan any corrective intervention if needed.
How long does ptosis surgery take and will I need to stay overnight?
Adult ptosis surgery under local anaesthetic typically takes 45–90 minutes and is performed as a day-case procedure — no overnight stay is required. Children's ptosis surgery under general anaesthetic is also usually day-case, though some paediatric units prefer an overnight observation period. Most patients are discharged within a few hours of surgery, with written post-operative care instructions and follow-up appointments arranged before leaving.