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In Vitro Method to Study Sex-Based Differences in Conjunctival Goblet Cells
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Eyebrow Height Changes with Aging: A Systematic Review and Meta-analysis.

Malke Asaad1, Ahmad Beshr Kelarji2, Cham Shaban Jawhar2

  • 1Division of Plastic Surgery, Department of Surgery, Mayo Clinic, Rochester, Minn.

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Summary

As people age, their medial eyebrow height significantly increases, while lateral eyebrow height remains stable. Understanding these changes is crucial for effective brow rejuvenation procedures.

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Area of Science:

  • Plastic Surgery
  • Facial Anatomy
  • Aging Research

Background:

  • Eyebrows are crucial for facial expressions, communication, and aesthetics.
  • Understanding age-related eyebrow changes is vital for plastic surgeons performing brow rejuvenation.

Purpose of the Study:

  • To summarize current literature on eyebrow height changes with aging.
  • To provide insights for plastic surgeons regarding brow rejuvenation.

Main Methods:

  • A comprehensive literature search was conducted from 1946 to January 2019.
  • Included studies reported eyebrow position at medial canthus, mid-pupil, and lateral canthus.
  • A meta-analysis was performed on the identified studies.

Main Results:

  • 19 studies and 3,634 patients were included in the meta-analysis.
  • Medial eyebrow height significantly increased with aging (mean difference 1.4 mm, P=0.02).
  • Mid-pupil eyebrow height also significantly increased (mean difference 1.17 mm, P=0.0002), while lateral height remained stable (P=0.72).

Conclusions:

  • Medial eyebrow height increases with age.
  • Lateral eyebrow height remains stable with aging.
  • These findings are important considerations for eyebrow rejuvenation procedures.