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Health condition · Clinically reviewed

Eyelid malpositions, from droop and turn to spasm and exposure.

Not just a cosmetic issue. Ptosis, ectropion, entropion, retraction and lagophthalmos all threaten comfort, tear drainage and the cornea itself.

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Why trust this guide

  • 01

    Clinically reviewed

    Written by our editorial team and reviewed by a UK oculoplastic clinician before publication.

  • 02

    Sourced from guidance

    Checked against Royal College of Ophthalmologists, BOPSS and peer-reviewed sources you can see at the end.

  • 03

    Current for 2026

    Reflects modern UK oculoplastic practice, MRD1 measurement standards and current surgical techniques.

Key facts

Eyelid malpositions at a glance.

The essentials, in plain English. What the lid is doing, why it matters and how UK oculoplastic teams put it right.

  • What it is

    A group of conditions where the eyelids sit or move abnormally, from outward turning (ectropion) to drooping (ptosis) and incomplete closure (lagophthalmos).

  • Common types

    Ectropion, entropion, ptosis, lid retraction, floppy eyelid syndrome, blepharospasm, lagophthalmos and trichiasis.

  • Why it matters

    Beyond appearance, malpositions cause dry eyes, epiphora, corneal exposure and, at worst, sight-threatening ulceration.

  • Key measurement

    MRD1 (margin reflex distance 1) is normally 4 mm or more; less than 2 mm is significant ptosis.

  • Foundation therapy

    Preservative-free lubrication protects the ocular surface while the underlying cause is diagnosed and treated.

  • Definitive care

    Most malpositions ultimately need oculoplastic surgery, with botulinum toxin reserved for spasm and selected retraction.

Why this guide matters

Protect the eye first, then correct the lid.

Eyelid problems are common, treatable and often multi-factorial. The three ideas below shape the rest of this page.

  • The cornea comes first

    Whichever malposition you have, the first job is to protect the ocular surface with lubrication and, if needed, closure.

  • Diagnose the mechanism

    Involutional, cicatricial, myogenic, neurogenic and mechanical causes each need a different operation - the label matters.

  • Oculoplastic surgery is definitive

    For most structural malpositions, a well-chosen procedure by a specialist gives a lasting, function-restoring result.

How the diagnosis is made

From first symptoms to a surgical plan.

The steps a UK ophthalmologist and oculoplastic surgeon normally follow, in order, so you know what to expect and why.

  1. 01

    Assessing

    History and associated symptoms

    Onset, variability through the day, associated dryness, watering, headache from brow strain and any neurological features.

  2. 02

    Assessing

    Lid measurements

    MRD1, palpebral fissure height, levator function and lid crease position give an objective baseline for planning.

  3. 03

    Assessing

    Position and dynamic tests

    Snap-back and lid distraction for laxity, upgaze and downgaze for retraction, blink and closure for lagophthalmos.

  4. 04

    Confirming

    Slit-lamp and ocular surface

    Corneal exam, fluorescein staining, tear break-up time and Schirmer test to gauge exposure and dry-eye severity.

  5. 05

    Confirming

    Neurological and endocrine workup

    Cranial-nerve exam, thyroid function, acetylcholine-receptor antibodies and, when indicated, an edrophonium or ice-pack test.

  6. 06

    Planning

    Imaging when needed

    MRI brain and orbits for atypical ptosis, third-nerve palsy, Horner syndrome or suspected mass lesions (see private MRI scan).

  7. 07

    Planning

    Oculoplastic referral

    A specialist plans surgical correction, choosing the technique that matches the underlying anatomy and function.

Typical timeline: from first clinic visit to a definitive surgical plan in a few weeks.

Types and features

The main eyelid malpositions.

A quick tour of the patterns clinicians see day to day, with pointers to their own dedicated guides where they exist.

  • Ectropion

    Outward turning of the lid, most often involutional in older adults, with watering and exposure keratopathy. See ectropion.

  • Entropion

    Inward turning where lashes rub the cornea, causing pain, redness and abrasions. See entropion.

  • Ptosis

    Drooping of the upper lid, from aponeurotic laxity to myogenic, neurogenic or mechanical causes.

  • Lid retraction

    Upper-lid elevation exposing sclera, classically in thyroid eye disease (see Graves disease).

  • Floppy eyelid syndrome

    Lax upper lid that everts easily on waking, linked to obesity and obstructive sleep apnoea (see sleep apnoea).

  • Blepharospasm and hemifacial spasm

    Involuntary closure from focal dystonia (see dystonia) or hemifacial spasm.

  • Lagophthalmos

    Incomplete closure from facial palsy (see facial palsy), thyroid disease, coma or nocturnal exposure.

  • Red flag - corneal ulcer or new palsy

    Painful red eye with fluorescein-staining ulcer, or sudden ptosis with a dilated pupil, need same-day ophthalmology.

Presentation ranges from purely cosmetic concern to functional problems: gritty dry eyes, chronic watering (epiphora), corneal exposure and ulceration, obstructed vision, secondary blepharitis and headaches from constant brow elevation.

Treatment

How eyelid malpositions are treated in the UK.

Lubrication and treatment of the underlying cause first, then botulinum toxin or surgery, chosen to match the specific pattern.

  • Preservative-free lubrication

    Artificial tears by day and ointment at night, plus moisture chambers or lid taping when closure is incomplete.

  • Treat the underlying cause

    Thyroid stabilisation, myasthenia treatment (see myasthenia gravis), facial palsy rehabilitation or TED-specific therapy.

  • Botulinum toxin

    For blepharospasm, hemifacial spasm and selected lid retraction (see botox medical neurological).

  • Ptosis repair

    Levator advancement, Muller muscle-conjunctival resection or frontalis suspension for poor levator function (see ptosis repair).

  • Ectropion and entropion surgery

    Lateral tarsal strip with Jones retractor for ectropion; Wies, Trabut or tarsal-fracture procedures for entropion.

  • Lid-retraction and floppy-lid repair

    Upper or lower lid recession for retraction; horizontal shortening and tightening for floppy eyelid syndrome.

  • Gold weight and tarsorrhaphy

    Upper-lid gold weight (see upper lid gold weight) or partial tarsorrhaphy to protect the cornea in lagophthalmos.

  • Trichiasis treatment

    Epilation, electrolysis, cryotherapy, argon laser or rotational lid surgery for persistently misdirected lashes.

Complex cases benefit from a multidisciplinary team of ophthalmology, oculoplastic surgery, neurology and endocrinology, with sleep medicine input for floppy eyelid syndrome linked to obstructive sleep apnoea.

What this guide is based on

The sources behind every claim on this page.

UK national guidance and specialist society standards, current at the time of last review.

Key references

Guidelines and standards we relied on.

A quiet reminder

This guide is for information, not medical advice.

Your ophthalmologist or oculoplastic surgeon knows your eyes and history and can tell you which parts apply to you. If in doubt, get seen.

  • Royal College of Ophthalmologists. Commissioning guidance and oculoplastic standards.

  • British Oculoplastic Surgery Society (BOPSS). Practice guidelines and patient information.

  • European Group on Graves Orbitopathy (EUGOGO). Management of thyroid eye disease.

  • NICE. Clinical Knowledge Summaries on ectropion, entropion and dry eye.

Red flags

When an eyelid problem needs urgent attention.

Most lid changes are chronic and can wait for a routine appointment. These are the ones that cannot.

  • Corneal ulceration or perforation

    Pain, photophobia, a white patch on the cornea or sudden drop in vision need same-day ophthalmology assessment.

  • Sudden ptosis with dilated pupil

    A third-nerve palsy pattern can signal a posterior communicating artery aneurysm and needs emergency imaging.

  • Horner syndrome

    Mild ptosis with a small pupil and reduced sweating may indicate carotid dissection or apical lung pathology.

  • Fatiguable or variable ptosis

    Worsening through the day with diplopia suggests myasthenia gravis (see myasthenia gravis) and needs prompt neurology input.

  • Rapidly progressive proptosis

    Thyroid eye disease or an orbital mass needs urgent oculoplastic and endocrine review.

  • Facial palsy with poor closure

    Untreated lagophthalmos in facial palsy (see facial palsy) can cause rapid exposure keratopathy.

  • New floppy eyelid with heavy snoring

    Consider obstructive sleep apnoea (see sleep apnoea) and refer for sleep study alongside lid repair.

  • Sight-threatening exposure

    Persistent staining, filaments or a non-healing epithelial defect needs escalation, not more drops.

  • Suspected mass lesion

    A palpable lump distorting the lid or a slowly worsening mechanical ptosis needs imaging and biopsy.

Living with it

A treatable group, with a clear pathway.

Four things that make the biggest difference day to day while you wait for definitive treatment or recover from surgery.

A quiet reminder

Comfort now, correction later.

Lubrication and simple protective measures buy time and keep the cornea safe until the right operation is done.

  1. 01 Routine

    Lubricate generously

    Preservative-free drops through the day and a thick ointment at night reduce grit, watering and morning stickiness.

  2. 02 Protection

    Cover the eye at night

    A moisture chamber, taping or a soft eye shield stops nocturnal exposure and helps a fragile cornea heal.

  3. 03 Escalate

    Don’t wait for scarring

    Persistent watering, redness or discomfort deserves an oculoplastic opinion before the cornea takes lasting damage.

  4. 04 Whole body

    Treat the drivers

    Thyroid disease, myasthenia, facial palsy and sleep apnoea all improve lid function when they are treated properly.

Frequently asked

Everything we get asked about eyelid malpositions.

Quick answers on ptosis measurement, urgent signs, non-surgical options and who to see.

  • What are eyelid malpositions?

    A group of conditions where the eyelids sit or move abnormally, including ectropion, entropion, ptosis, lid retraction, floppy eyelid syndrome, blepharospasm, lagophthalmos and trichiasis. Together they affect comfort, tear drainage, corneal protection and appearance.

  • How is ptosis measured?

    The main measurement is MRD1, the distance from the corneal light reflex to the upper-lid margin. A normal MRD1 is 4 mm or more; less than 2 mm counts as significant ptosis. Levator function and palpebral-fissure height are also recorded to guide surgery.

  • When does a droopy lid need urgent attention?

    A sudden ptosis with a dilated pupil, double vision, headache, small pupil with a red face pattern (Horner syndrome), or fatiguable weakness needs urgent assessment. These can point to a third-nerve palsy, carotid problem or myasthenia gravis.

  • Can eyelid malpositions be treated without surgery?

    Some can be helped by lubrication, botulinum toxin (for blepharospasm, hemifacial spasm and selected retraction), taping, moisture chambers and treatment of the underlying condition. Most structural problems, though, eventually need oculoplastic surgery.

  • What is floppy eyelid syndrome?

    A lax, rubbery upper lid that everts easily during sleep, causing chronic irritation, papillary conjunctivitis and a mucousy morning discharge. It is strongly linked to obesity and obstructive sleep apnoea, so a sleep-study referral often goes hand in hand with lid tightening.

  • Who should I see for an eyelid malposition?

    A specialist oculoplastic surgeon, often working alongside general ophthalmology, neurology and endocrinology. A structured MDT approach matters most in thyroid eye disease, facial palsy and complex ptosis where more than one specialty is involved.

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