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Related Experiment Video

Updated: Apr 16, 2026

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Distinct features in Koreans with involutional blepharoptosis.

Chang Yeom Kim¹, Sang Yeul Lee

¹Seoul, Republic of Korea From The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine.

Plastic and Reconstructive Surgery

|March 6, 2015

Summary

This summary is machine-generated.

Korean patients with involutional ptosis often show unique traits like reduced levator function and significant fatty infiltration of the levator muscle, differing from typical presentations.

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Area of Science:

Ophthalmology
Plastic Surgery

Background:

Involutional ptosis presents differently in Korean populations compared to established definitions.
Understanding these unique characteristics is crucial for accurate diagnosis and effective treatment.

Purpose of the Study:

To identify and describe the distinct clinical features of involutional ptosis in Korean patients.
To compare these findings with typical presentations of the condition.

Main Methods:

Prospective observational study of 162 Korean patients diagnosed with involutional ptosis.
Surgical assessment of eyelid crease, palpebral fissure width, levator function, and levator muscle/aponeurosis condition.
Levator aponeurosis advancement surgery performed between 2006 and 2013.

Main Results:

High eyelid crease and levator aponeurosis disinsertion were infrequent (19.7% and 13%).
Significant fatty infiltration of the levator muscle was prevalent (90.6%).
Older age and increased eyelid drooping correlated with greater fat infiltration; levator function decreased with more fat infiltration.

Conclusions:

Korean involutional ptosis is characterized by reduced levator function, infrequent high eyelid creases, and prominent levator muscle fatty infiltration.
These findings highlight unique ethnic variations in involutional ptosis.
The study emphasizes the need for tailored diagnostic and surgical approaches for Korean patients.