Coloboma of the Eyelid
A comprehensive overview of congenital eyelid coloboma, including causes, symptoms, diagnosis, treatment, and prognosis.
Eyelid Disorder
Congenital full- or partial-thickness eyelid defect
Congenital eyelid malformation
Yes
Overview
Coloboma of the eyelid is a rare congenital defect in which a portion of the upper or lower eyelid fails to develop completely. The defect may range from a small notch to the absence of a substantial segment of the eyelid. Large defects can lead to corneal exposure, exposure keratopathy, and vision-threatening complications if not treated promptly.
Symptoms & Signs
- Visible eyelid defect at birth
- Incomplete eyelid closure (lagophthalmos)
- Exposure keratopathy
- Tearing and ocular irritation
- Corneal epithelial defects
- Photophobia
- Risk of corneal ulceration
Risk Factors & Associations
- Congenital developmental anomaly
- Goldenhar syndrome (oculoauriculovertebral spectrum)
- Treacher Collins syndrome
- Other craniofacial abnormalities
- Upper eyelid more commonly affected
- May coexist with ocular colobomas
Diagnosis
- Comprehensive eye examination
- External eyelid evaluation
- Assessment of corneal exposure
- Fluorescein staining to detect epithelial defects
- Evaluate for associated systemic and ocular anomalies
Differential Diagnosis
| Condition | Distinguishing Feature |
|---|---|
| Traumatic eyelid laceration | Acquired injury rather than congenital |
| Cryptophthalmos | Absent eyelid formation with fused skin |
| Epiblepharon | Normal eyelid with redundant skin fold |
| Eyelid notch | Small isolated defect without significant tissue loss |
Acquired injury.
Absent eyelids.
Redundant skin fold.
Minor congenital defect.
Treatment
- Frequent ocular lubrication
- Moisture chambers or protective patching when needed
- Urgent surgical repair for large defects
- Corneal protection before reconstruction
- Long-term monitoring for amblyopia and ocular surface disease
Complications & Prognosis
- Exposure keratopathy
- Corneal ulceration and scarring
- Amblyopia in children
- Excellent prognosis after timely reconstruction in most patients
Common ICD-10 Codes
| Code | Description |
|---|---|
| Q10.3 | Other congenital malformations of eyelid |
| H16.219 | Exposure keratoconjunctivitis (associated) |
| Q13.0 | Congenital coloboma of anterior segment (associated anomaly) |
Congenital eyelid malformation
Exposure keratoconjunctivitis
Anterior segment coloboma
Frequently Asked Questions
Is eyelid coloboma present at birth?
Yes. It is a congenital developmental anomaly that is usually recognized immediately after birth.
When is surgery necessary?
Large defects causing corneal exposure generally require early surgical repair, while small defects may be managed conservatively before elective reconstruction.
Medical Disclaimer
The information provided on Kardia Vision is for educational purposes only and should not replace professional medical advice, diagnosis, or treatment. Infants or children with congenital eyelid defects should be evaluated promptly by an eye care professional.