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Horizontal eyelid movement on eyelid closure
Bartley R Frueh1, Adam S Hassan, David C Musch
1Department of Ophthalmology and Visual Science, W. K. Kellogg Eye Center, University of Michigan, Ann Arbor, Michigan 48105, USA. freuh@umich.edu
Ophthalmic Plastic and Reconstructive Surgery
|March 22, 2005
Summary
Eyelid surgery for ptosis may be improved by accounting for horizontal eyelid movement during eye closure. This movement, averaging 0.1-3.5 mm medially, can impact surgical outcomes.
Area of Science:
- Ophthalmology
- Surgical Techniques
Background:
- Ptosis surgery involves precise suture placement for eyelid peak.
- Current techniques place sutures with eyes closed, observing results with eyes open.
Purpose of the Study:
- To quantify horizontal eyelid translation during eye closure.
- To assess the clinical significance of this movement in ptosis surgery.
Main Methods:
- Experimental case series involving normal, ptosis, and exophthalmos subjects (ages 21-70).
- Videotape analysis of dots placed on the eyelid margin and crease during eye closure.
Main Results:
- Eyelid translation during eye closure is consistently medial, ranging from 0.1 mm to 3.5 mm.
- Movement is typically greater at the eyelid margin compared to the eyelid crease.
Conclusions:
- Horizontal eyelid translation is clinically significant in ptosis surgery.
- Surgical planning should incorporate this movement; mark the desired eyelid peak with eyes open before suturing.