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Related Experiment Video

Updated: Jun 24, 2026

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Upper eyelid ptosis surgery using a preparatory ocular prosthesis.

Ilse Mombaerts¹, Erica Groet

¹Orbital Clinic, Department of Ophthalmology, University Hospitals Leuven, Belgium. ilse.mombaerts@uz.kuleuven.ac.be

Ophthalmic Plastic and Reconstructive Surgery

|March 21, 2009

Summary

This summary is machine-generated.

Modifying an ocular prosthesis before eyelid surgery improved ptosis correction. This preparatory approach yielded satisfactory cosmetic results for patients with moderate to severe upper eyelid ptosis.

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Area of Science:

Ophthalmology
Oculoplastics

Background:

Correcting upper eyelid ptosis with an ocular prosthesis can be challenging.
Surgery with an existing prosthesis may lead to unsatisfactory outcomes.

Purpose of the Study:

To evaluate an alternative surgical approach for moderate to severe upper eyelid ptosis.
To assess the efficacy of modifying an ocular prosthesis before levator aponeurosis surgery.

Main Methods:

Retrospective case series of 29 patients with unilateral ptosis undergoing anterior levator aponeurosis surgery.
Ocular prosthesis was modified pre-operatively to vertically align pupils.
Outcomes measured by palpebral fissure height and cosmetic appearance.

Main Results:

Mean ptosis was 3 mm, ranging from 1 to 6 mm.
Symmetrical correction achieved in 66% of patients.
No overcorrection observed; residual ptosis was 1-2 mm in 31% of patients.

Conclusions:

Pre-operative prosthesis modification is an effective preparatory step for ptosis surgery.
This alternative sequence offers good cosmetic results for moderate to severe ptosis.
The approach simplifies surgery and improves patient outcomes.