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Updated: Apr 29, 2026

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Temporal variations in meibomian gland structure-A pilot study.

Kasandra Swiderska1, Caroline A Blackie2, Carole Maldonado-Codina1

  • 1Eurolens Research, Division of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK.

Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)
|May 6, 2024
PubMed
Summary
This summary is machine-generated.

Meibomian gland structure shows measurable changes over hours and days. Individual gland metrics like length and width vary, impacting precision monitoring for meibomian gland health.

Keywords:
meibographymeibomian gland functionmeibomian gland imagingmeibomian gland structuremeibomian glands

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Area of Science:

  • Ophthalmology and Vision Science
  • Biomedical Engineering

Background:

  • Meibomian glands are crucial for ocular surface health, producing lipids that stabilize the tear film.
  • Changes in meibomian gland morphology are associated with Meibomian Gland Dysfunction (MGD).
  • Understanding diurnal and monthly variations in gland structure is key for accurate MGD assessment.

Purpose of the Study:

  • To quantify diurnal (12-hour) and monthly changes in meibomian gland morphological characteristics.
  • To investigate the variability of individual meibomian gland parameters over time.

Main Methods:

  • 15 participants underwent 11 study visits over 5 weeks.
  • Meibography using LipiView® II assessed gland morphology.
  • Custom software analyzed gland length ratio, width, area, intensity, and tortuosity for six central glands.
  • Diurnal assessment involved seven visits spaced 2 hours apart; monthly assessment included weekly visits.

Main Results:

  • Average meibomian gland metrics showed no significant diurnal or monthly changes.
  • However, individual gland parameters, including length ratio, area, width, and tortuosity, exhibited significant diurnal and monthly variations.
  • These findings highlight gland-level plasticity not evident in averaged data.

Conclusions:

  • Meibomian glands exhibit measurable structural changes over short time scales (hours and days).
  • These dynamic changes necessitate advanced imaging and monitoring techniques for precise assessment of meibomian gland health.
  • The study supports the development of precision monitoring tools for MGD.