Ectropion (Outward Eyelid Turning)
Everted eyelid margin causing tears overflow, chronic redness, and corneal exposure; covers congenital, involutional, and cicatricial types.
Article Table of Contents
1. Comprehensive Overview
Ectropion involves the outward eversion of the eyelid margin away from the bulbar conjunctiva and cornea.
Clinical Consequences & Hazards: 1. Persistent Epiphora: Lacrimal puncta are displaced away from the tear lake, forcing tears to overflow down the cheek, inducing severe eczema. 2. Chronic Exposure Conjunctivitis & Keratopathy: Unshielded ocular surface suffers keratinization, corneal drying, ulceration, and visual decline.
Major Clinical Variants: 1. Involutional Ectropion: Most common, driven by age-related horizontal eyelid laxity and canthal tendon attenuation. 2. Cicatricial Ectropion: Caused by thermal burns, trauma scars, or improper wound suturing pulling the lid margin inferiorly. 3. Paralytic Ectropion: Secondary to facial nerve (CN VII) palsy loss of orbicularis oculi tone. 4. Congenital Ectropion: Rare developmental lid tissue deficiency.
Surgical Repair: Performed comfortably under local anesthesia via Lateral Canthal Tarsal Strip plication to re-anchor lid tension, combined with scar release and full-thickness skin grafting for cicatricial cases.
2. Symptoms & Warning Signs
If you observe any of the following symptoms repeatedly, an eye exam is strongly recommended:
- Outward rolling of the lower eyelid exposing the red inner conjunctiva
- Continuous tear overflow (epiphora) down the cheek causing skin excoriation
- Ocular redness, burning sensation, and corneal exposure dry spots
3. Causes & Risk Factors
- 1Age-related horizontal eyelid laxity and canthal tendon stretching
- 2Cicatricial tissue contraction from unstitched lid lacerations or burns
- 3Paralytic orbicularis muscle loss from CN VII palsy
4. Treatments & Medical Management
5. Prevention & Daily Eye Care Advice
- Immediate meticulous suturing of eyelid lacerations within 12 hours
- Aggressive lubricating eye ointments to protect the exposed cornea
6. When to Seek Emergency Eye Care
Visit an immediate eye emergency center if you experience any of the following critical indicators:
- ⚠Visible outward lid eversion accompanied by tear tearing and redness
- ⚠Corneal ulceration risk due to severe lagophthalmos and exposure
7. Frequently Asked Questions
Q:Why must eyelid lacerations be sutured promptly by a specialist?
Because eyelid skin is ultra-thin. Improper closure causes severe contractile cicatricial scarring that pulls the lid downward, requiring complex skin graft repair.