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Ectropion w
ECTROPION
ECTROPION
• Tarsal plates
  – Length 25mm
  – Thickness 1mm
  – Height
     • Upper 10mm
     • Lower 4mm
ECTROPIO
                N
• Orbicularis Oculi
  – Orbital
  – Palpebral
     • Preseptal
     • Pretarsal
ECTROPION
• Medial canthal tendon
  – Anterior Limb
  – Posterior Limb
  – Superior Limb
ECTROPION
Lateral canthal tendon
• Inserts posteriorly along
the lateral orbital wall
ECTROPION
• Orbital septum
  – Origin
     • Arcus marginalis
  – Insertion
     •   Medial: posterior lacrimal crest
     •   Lateral: orbital tubercle
     •   Superior: levator aponeurosis
     •   Inferior: inferior tarsal border
ECTROPION


 Anterior Lamella
•Skin and orbicularis


Posterior Lamella
•Tarsus and conjuctiva
ECTROPION
 Definition

Involutional

Mechanical

 Cicatricial

 Paralytic

Assessment

Management
ECTROPIO
               N
• Definition
  – Abnormal eversion of the eyelid away from the
    globe
• Key Features:
  – Eyelid margin and lash drive are turned away from
    the cornea
  – Conjuctival surface is exposed, which can lead to
    keratinisation of the epithelium
  – Corneal exposure results in foreign body
    sensation, corneal dryness and ulceration
ECTROPION
 Definition

Involutional          cosmetic

Mechanical            Epiphora

 Cicatricial          Keratinization of conjunctiva

 Paralytic            Punctate Keratopathy

Assessment            Loss of vision

Management
ECTROPION
 Definition

Involutional           Involutional

Mechanical             Mechanical

 Cicatricial           Cicatricial

 Paralytic             Paralytic

Assessment             Congenital

Management
ECTROPION
 Definition

Involutional

Mechanical

 Cicatricial
                Age-related changes cause horizontal
 Paralytic      laxity of lid
Assessment      Weakness of canthal tendons and
                pre-tarsal orbicularis
Management
ECTROPION
 Definition

Involutional

Mechanical

 Cicatricial                               BCC

 Paralytic
                Lesions near lid margin cause traction
Assessment      leading to ectropion eg tumours, conjuctival
                Cysts, oedema
Management
ECTROPION
 Definition

Involutional

Mechanical

 Cicatricial
                Lid pulled from globe by vertical shortening
 Paralytic      of the anterior lamella of the lower eyelid,
                caused by:
Assessment            trauma
                      burns
Management            skin conditions (dermatitis, eczema)
                      iatrogenic (post-op bleph, laser)
ECTROPION
 Definition

Involutional

Mechanical

 Cicatricial
                Occurs secondary to Facial nerve palsy
 Paralytic      LMN:   Bell’s palsy
                       Ramsey-Hunt Syndrome (Herpes Zoster)
                       Parotid tumour or infiltration
Assessment             Cerebello-pontine angle lesion
                UMN:   Stroke/AVM
Management             Tumours
                       Infection
ECTROPION
• Congenital
  – Rare
  – Association with other anomalies eg Down’s
    Syndrome
ECTROPION
 Definition      Skin shortage?                   Cicatricial




                                       ↓
                                       Yes
Involutional          ↓No
                 Abnormal Eyelid




                                       ↓
                                                  Paralytic
Mechanical       Closure?        Yes

 Cicatricial          ↓No


                                       ↓
                  Lump in Lid?                   Mechanical
 Paralytic                             Yes


Assessment
                      ↓No
                   Involutional
Management
                A Manual of Systemic Eyelid Surgery. RJO Collin
ECTROPION
 Definition     Full Ocular History

Involutional    Onset and duration of signs/symptoms

Mechanical      Trauma/burns/surgery
 Cicatricial    Patient’s concerns
 Paralytic

Assessment

Management
ECTROPION
 Definition    Examination
               Location of ectropion: horizontal vs vertical,
               punctal, medial, lateral, tarsal (complete)
Involutional   VA, Slit lamp exam or cornea and conj
               Involutional
Mechanical     Snap back test
               Lateral distraction
               Cicatricial
 Cicatricial   Skin conditions or scars
               Push skin over lid margin
 Paralytic     Mechanical
               Lump/lesion on eyelid
               Paralytic
Assessment     Presence of Bell’s phenomenon
               Corneal sensation
               Degree of lagophthalmos
Management     Facial movements (LMN vs UMN)
               Palpate parotid, check hearing, slit-lamp for uveitis
ECTROPION
 Definition

Involutional    Non-operative Management
                Lumbricants for corneal exposure/
Mechanical      conjunctival keratinization
                Taping lateral canthal skin superotemporally
 Cicatricial
                Scar (cicatricial) massage, ? Steroid injection
 Paralytic      Taped lid weights for Facial nerve palsy
                Advice on wiping tears (up and in toward
Assessment      nose)

Management
ECTROPION
 Definition     Surgical Management
                Involutional
Involutional
                Lateral canthoplasty/sling

Mechanical
                Horizontal lid shortening
 Cicatricial    ± blepharoplasty


 Paralytic      Excise medial Tarso-
                conjunctival diamond
Assessment
                Medial canthal tendon
Management
                plication/resection
ECTROPION

Correction of
involutional ectropion
          •Cathopexy
ECTROPION
• Correction of involutional
ectropion
  – Horizontal lid
  tightening/shortening
ECTROPION
 Definition     Surgical Management

Involutional
                Mechanical
Mechanical      Vertical excision of lesion ± lid shortening


 Cicatricial

 Paralytic

Assessment

Management
ECTROPION
 Definition     Surgical Management
                Cicatricial
Involutional
                Z-plasty      Skin replacement (graft or
                              flap) ± lower lid retractor
Mechanical
                              reinsertion ± lid resection

 Cicatricial

 Paralytic

Assessment

Management
ECTROPION
ECTROPION
 Definition     Surgical Management
                Paralytic - (Passive)
Involutional
                Medial canthoplasty
Mechanical      ± lateral canthal sling
                Medial canthal resection
 Cicatricial
                Horizontal tightening
 Paralytic      Mid-face lift
                Gold upper lid weight
Assessment
                Paralytic - (Dynamic)
Management      Temporalis transfer
                Nerve graft
ECTROPION
• Correction of paralytic ectropion
  – Fascial sling

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Ectropion w

  • 3. ECTROPION • Tarsal plates – Length 25mm – Thickness 1mm – Height • Upper 10mm • Lower 4mm
  • 4. ECTROPIO N • Orbicularis Oculi – Orbital – Palpebral • Preseptal • Pretarsal
  • 5. ECTROPION • Medial canthal tendon – Anterior Limb – Posterior Limb – Superior Limb
  • 6. ECTROPION Lateral canthal tendon • Inserts posteriorly along the lateral orbital wall
  • 7. ECTROPION • Orbital septum – Origin • Arcus marginalis – Insertion • Medial: posterior lacrimal crest • Lateral: orbital tubercle • Superior: levator aponeurosis • Inferior: inferior tarsal border
  • 8. ECTROPION Anterior Lamella •Skin and orbicularis Posterior Lamella •Tarsus and conjuctiva
  • 10. ECTROPIO N • Definition – Abnormal eversion of the eyelid away from the globe • Key Features: – Eyelid margin and lash drive are turned away from the cornea – Conjuctival surface is exposed, which can lead to keratinisation of the epithelium – Corneal exposure results in foreign body sensation, corneal dryness and ulceration
  • 11. ECTROPION Definition Involutional cosmetic Mechanical Epiphora Cicatricial Keratinization of conjunctiva Paralytic Punctate Keratopathy Assessment Loss of vision Management
  • 12. ECTROPION Definition Involutional Involutional Mechanical Mechanical Cicatricial Cicatricial Paralytic Paralytic Assessment Congenital Management
  • 13. ECTROPION Definition Involutional Mechanical Cicatricial Age-related changes cause horizontal Paralytic laxity of lid Assessment Weakness of canthal tendons and pre-tarsal orbicularis Management
  • 14. ECTROPION Definition Involutional Mechanical Cicatricial BCC Paralytic Lesions near lid margin cause traction Assessment leading to ectropion eg tumours, conjuctival Cysts, oedema Management
  • 15. ECTROPION Definition Involutional Mechanical Cicatricial Lid pulled from globe by vertical shortening Paralytic of the anterior lamella of the lower eyelid, caused by: Assessment trauma burns Management skin conditions (dermatitis, eczema) iatrogenic (post-op bleph, laser)
  • 16. ECTROPION Definition Involutional Mechanical Cicatricial Occurs secondary to Facial nerve palsy Paralytic LMN: Bell’s palsy Ramsey-Hunt Syndrome (Herpes Zoster) Parotid tumour or infiltration Assessment Cerebello-pontine angle lesion UMN: Stroke/AVM Management Tumours Infection
  • 17. ECTROPION • Congenital – Rare – Association with other anomalies eg Down’s Syndrome
  • 18. ECTROPION Definition Skin shortage? Cicatricial ↓ Yes Involutional ↓No Abnormal Eyelid ↓ Paralytic Mechanical Closure? Yes Cicatricial ↓No ↓ Lump in Lid? Mechanical Paralytic Yes Assessment ↓No Involutional Management A Manual of Systemic Eyelid Surgery. RJO Collin
  • 19. ECTROPION Definition Full Ocular History Involutional Onset and duration of signs/symptoms Mechanical Trauma/burns/surgery Cicatricial Patient’s concerns Paralytic Assessment Management
  • 20. ECTROPION Definition Examination Location of ectropion: horizontal vs vertical, punctal, medial, lateral, tarsal (complete) Involutional VA, Slit lamp exam or cornea and conj Involutional Mechanical Snap back test Lateral distraction Cicatricial Cicatricial Skin conditions or scars Push skin over lid margin Paralytic Mechanical Lump/lesion on eyelid Paralytic Assessment Presence of Bell’s phenomenon Corneal sensation Degree of lagophthalmos Management Facial movements (LMN vs UMN) Palpate parotid, check hearing, slit-lamp for uveitis
  • 21. ECTROPION Definition Involutional Non-operative Management Lumbricants for corneal exposure/ Mechanical conjunctival keratinization Taping lateral canthal skin superotemporally Cicatricial Scar (cicatricial) massage, ? Steroid injection Paralytic Taped lid weights for Facial nerve palsy Advice on wiping tears (up and in toward Assessment nose) Management
  • 22. ECTROPION Definition Surgical Management Involutional Involutional Lateral canthoplasty/sling Mechanical Horizontal lid shortening Cicatricial ± blepharoplasty Paralytic Excise medial Tarso- conjunctival diamond Assessment Medial canthal tendon Management plication/resection
  • 24. ECTROPION • Correction of involutional ectropion – Horizontal lid tightening/shortening
  • 25. ECTROPION Definition Surgical Management Involutional Mechanical Mechanical Vertical excision of lesion ± lid shortening Cicatricial Paralytic Assessment Management
  • 26. ECTROPION Definition Surgical Management Cicatricial Involutional Z-plasty Skin replacement (graft or flap) ± lower lid retractor Mechanical reinsertion ± lid resection Cicatricial Paralytic Assessment Management
  • 28. ECTROPION Definition Surgical Management Paralytic - (Passive) Involutional Medial canthoplasty Mechanical ± lateral canthal sling Medial canthal resection Cicatricial Horizontal tightening Paralytic Mid-face lift Gold upper lid weight Assessment Paralytic - (Dynamic) Management Temporalis transfer Nerve graft
  • 29. ECTROPION • Correction of paralytic ectropion – Fascial sling

Notas del editor

  1. Dense fibrous tissue that imparts structural integrity to the eyelids. Medially and laterally they taper to 2mm in height as they pass into the canthal tendons. Contain meibomian glands (25 upper, 20 lower) that as not associated with lash follicles..produce lipid layer of the precornal tear film
  2. Striated muscles divided into 3 parts. Orbital overlies the bony orbital rim. Arise from insertions on the frontal process of maxillary bone, orbital process of frontal, medial canthal tendon. Palpebral overlies the mobile eyelid from the orbital rim to the eyelid margins. Fixed medially and laterally to canthal tendons. Preseptal over septum, arise from upper and lower borders of medial canthal tendon and insert along the lateral horizontal raphe. Pretarsal overlies tarsal plates from MCT via superficial and deep heads arc around the lids and insert into LCT..contraction aids lacrimal pump
  3. Tarsal plates pass in to fibrous bands and form the crura of the MCT lies between orb oculi (ant) and conjuctiva (post).. The superior and inferior crura fuse to form stout common tendon that inserts via 3 limbs. Anterior onto orbital process of the maxillary bone infront of and above anteror lacrimal crest. Posterior limb passes between the canaliculi and inserts onto the posterior lacrimal crest. Superior limb arises from both ant and post limbs, inserts onto orbital process of frontal bone..posterior head of preseptal orb oculi inserts onto this limb….forms roof of lacrimal sac fossa
  4. Laterally the tarsal pates pass into not very well developed fibrous strands that becomes crura of LCT..distinct entity separate from orb oculi. Inserts posteriorly along the lateral orbital wall…where t blends with strands of the lateral check ligament from the sheath of the lateral rectuc mm
  5. Thin fibrous multilayered membrane begins at arcus marginalis along the orboital rim and represents a coninuation of the orbital fascial system.
  6. Ectropion may be defined as eversion of the eyelid or when the lid rolls out away from the globe. It ranges in severity from mild punctal malposition (such as this case - note the puncta has moved out away from the globe - in this case due to medial canthal tendon laxity) to involvement of the whole lid (referred to as a tarsal ectropion.
  7. Individuals will seek medical assistance for ectropion because it is unsightly, because they get epiphora, keratinization of conj may occur with chronic exposure, they may develop punctate keratopathy and at its extreme loss of vision
  8. It is important to work out the cause of the ectropion as this will help direct your management. Causes of ectropion may classified as involutional, mechanical, cicatrical, paralytic or congenital
  9. Involutional ectropion results from age related degenerative changes to the eyelid. Either medial or lateral canthal tendons become weak as does pre-tarsal orbicularis. This gentleman also has other evidence of tissue weakness (orbital fat pad herniation).
  10. Mechanical ectropion occurs when a tractional force is applied to the lid by a discrete lesion. In this case, a BCC is pulling the lower lid down and out.
  11. Cicatrical ectropion occurs when there is deficiency of anterior lamella tissue (including skin) on the eyelid. It may result from trauma or burns, skin conditions or may be iatrogenic (eg. Blephroplasty). In this case, the patient suffers from eczma affecting the face - you can appreciate how tight the eyelid tissue is.
  12. Paralytic ectropion occurs from a facial nerve palsy. Loss of muscle tone and weakening contraction of orb oculi
  13. This is a modified algorithm from Richard Collin’s book on eyelid surgery to assist in sorting out the cause of ectropion. Essentially you need only ask 3 questions to get the answer. 1. Is there shortage of skin? - if yes then they have cicatrical. If not, then 2. Do they have abnormal eyelid closure? - if yes then they have paralytic. If no, then 3. Is there a lump on the lid? - if yes then it is mechanical and if not then it must be involutional.
  14. As with everything, history is an important part of the assessment.
  15. MCT laxitywatch the displacement of the punctum on lateral excursion…shouldn’t be displaced greater than 1-2mm. Pulling lid>10mm from globe suggests horizontal laxity and if slow to return to position then positive snap test. Punctum usually just lateral to caruncle and below superior punctum. Also shouldn’t be visible as usually faces posteriorly towards the globe
  16. Definitive management of ectropion is with surgery but there are some temporizing measures that may be of use: lubricants if cornea exposed, taping lateral canthus, massaging scar or steroid injection, taping wieghts to upper lid in paralytic ectropion may improve lagophthalmos, wiping tears in an up and in inward direction may reduce exacerbation of ectropion.
  17. Surgical management differs depending on the cause. In involutional ectropion, the aim is to correct horizontal lid laxity. This may be achieved by lateral canthoplasty or sling. Horizontal lid shortening, by removing an full thickness wedge, is sometimes used. There is also either medial tarsoconjunctival (diamond shaped segment of tarsus and conjuctiva is resected directly below the punctum) or medial canthal tendon plication…plication of anterior limb or resection for medial ectropion. In resection you resect the MCT structres combined with horizontal lid shortening, then the posterior limb is recontructed with a permanent suture and the cut inferior canaliculus is marsupialised into the conjuctival sac of the lower fornix
  18. Mechanical ectropion is usually corrected by removing the offending lesion using a vertical excision.
  19. The aim of surgery for cicatricial ectropion is to increase the vertical height of the lid. This may be achieved with either a Z-plasty that both shorthens the lid horizontally and lengthens vertically, or skin replacement usually with lower lid retractor reinsertion.
  20. Surgical management of paralytic ectropion may be thought of in terms of passive and dynamic procedures. Passive procedurs include medial canthoplasty with lateral canthal sling, medial canthal tendon resection or if paralysis is severe mid face lift may be of benefit. dynamic procedures, include such things as temporalis transfer and or nerve grafting and are aimed at improving lid function.