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Related Experiment Video

Updated: Feb 23, 2026

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Meibography for eyes with posterior blepharitis.

Abdulrahman AlDarrab1, Mohammed Alrajeh2, Adel H Alsuhaibani3

  • 1Department of Surgery, College of Medicine, Prince Sattam Bin Abdulaziz University, Saudi Arabia.

Saudi Journal of Ophthalmology : Official Journal of the Saudi Ophthalmological Society
|September 2, 2017
PubMed
Summary

Posterior blepharitis significantly damages meibomian glands, evidenced by infrared meibography. This non-invasive imaging helps assess gland loss and guide treatment for better patient outcomes.

Keywords:
BlepharitisMeibographyMeibomian glands dysfunction

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Area of Science:

  • Ophthalmology
  • Anatomy
  • Medical Imaging

Background:

  • Posterior blepharitis is an inflammatory condition affecting the eyelid margins.
  • Meibomian glands are crucial for ocular surface health, producing the lipid layer of the tear film.
  • Damage to meibomian glands can lead to evaporative dry eye disease.

Purpose of the Study:

  • To evaluate the impact of posterior blepharitis on meibomian gland structure.
  • To correlate meibomian gland changes with tear film parameters.
  • To assess the utility of infrared meibography in posterior blepharitis.

Main Methods:

  • Prospective cohort study comparing 86 healthy eyes with 72 eyes diagnosed with posterior blepharitis.
  • Clinical assessment included slit lamp examination, tear breakup time (TBUT), superficial punctate keratopathy (SPK), Schirmer II test, and meibum score.
  • Non-contact infrared meibography was performed using the meibo-grade system to quantify meibomian gland distortion, shortening, and dropout.

Main Results:

  • Posterior blepharitis eyes showed significantly higher lid margin abnormalities (telangiectasia, swelling, hyperemia).
  • Meibography revealed significantly more gland dropout, distortion, and shortening in the posterior blepharitis group (P < 0.001).
  • TBUT was significantly shorter (P < 0.001), and SPK and meibum score were higher in the posterior blepharitis group; Schirmer II test showed no significant difference.

Conclusions:

  • Infrared meibography is a valuable non-invasive tool for assessing anatomical damage to meibomian glands in posterior blepharitis.
  • Quantifying meibomian gland loss aids in selecting appropriate treatments and predicting therapeutic response.
  • Understanding the extent of meibomian gland damage is critical for managing posterior blepharitis.