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Progress of Baggy Eyelid: An Anatomical Study
Hirohiko Kakizaki1, Jose Miguel Ambat1, Munekazu Naito2
1Department of Oculoplastic, Orbital & Lacrimal Surgery.
Ophthalmic Plastic and Reconstructive Surgery
|January 6, 2025
Summary
Baggy eyelid formation progresses with anterior fat protrusion, followed by thinning of the orbital septum, orbicularis oculi muscle (OOM), and subcutaneous tissue. Thinner skin may worsen this condition.
Area of Science:
- Ophthalmology
- Anatomy
- Histology
Background:
- Baggy eyelids are a common aesthetic concern.
- Understanding the histological changes associated with baggy eyelid formation is crucial for developing effective treatments.
Purpose of the Study:
- To microscopically examine the progression of baggy eyelid formation in the lower eyelid.
Main Methods:
- Histological evaluation of 17 lower eyelid specimens from Japanese cadavers.
- Specimens were stained with Masson's Trichrome.
- Analysis included eyelid appearance, orbital septum thickness, fat and orbicularis oculi muscle (OOM) protrusion, OOM and subcutaneous tissue thickness, and skin thickness.
Main Results:
- Four stages of baggy eyelid formation were identified.
- Progression involves anterior fat protrusion, followed by thinning of the orbital septum, OOM, and subcutaneous tissue.
- Thinner skin was associated with more severe baggy eyelid presentation.
Conclusions:
- Baggy eyelid formation is a sequential process initiated by fat protrusion.
- Thinning of orbital septum, OOM, and subcutaneous tissue are key subsequent changes.
- Skin thickness plays a role in the severity of baggy eyelid presentation.
