April 2014
Volume 55, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2014
Prevalence of MGD, blepharitis, and demodex in an optometric practice.
Author Affiliations & Notes
  • Scott E Schachter
    Private Practice, Scott E Schachter, OD, PC, Pismo Beach, CA
  • Aubrey Schachter
    Student, University of California, Los Angeles, Los Angeles, CA
  • Milton M Hom
    Private Practice, Milton Hom, OD, Azusa, CA
  • Scott G Hauswirth
    Private Practice, Minnesota Eye Consultants, PA, Bloomington, MN
    Adjunct Clinical Faculty, Southern California College of Optometry, Fullerton, CA
  • Footnotes
    Commercial Relationships Scott Schachter, Allergan (C), Bio-Tissue (R); Aubrey Schachter, None; Milton Hom, Allergan (F), AMO (F), Bausch and Lomb (F); Scott Hauswirth, Alcon (C), Allergan (C), Bausch and Lomb (C), BioTissue (C), NicOx (C), TearScience (C)
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science April 2014, Vol.55, 49. doi:https://doi.org/
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      Scott E Schachter, Aubrey Schachter, Milton M Hom, Scott G Hauswirth; Prevalence of MGD, blepharitis, and demodex in an optometric practice.. Invest. Ophthalmol. Vis. Sci. 2014;55(13):49. doi: https://doi.org/.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: This study aimed to identify the presence of demodex and associated signs in patients seen for routine eye exam.

Methods: The clinical parameters evaluated were degree of meibomian gland dysfunction (MGD), lash distention, lash appearance, and cylindrical dandruff (CD). Each clinical sign was rated on a scale of 0-4. If CD was observed (rating of G1-G4), the following protocol was followed: 1. Lashes were epilated. 2. Lashes were placed on a glass slide, a cover slip and drop of saline/fluorescein dye was applied to the slide. 3. Examination performed with a Celestron LCD microscope (objective lenses: 40x, 100x, 400x).

Results: Demodex blepharitis was present in 32.4% of all subjects. MGD (G1+) was observed in 33.1% of all subjects, and of those, 46.8% were comorbid with CD and demodex blepharitis. Lash distention (G1+) was observed in 26.1% of all subjects, and of those, 89.2% were comorbid with CD and demodex blepharitis. Greasy and/or oily lashes (G1+) were observed in 31.0% of all subjects, and of those, 77.3% were comorbid with CD and demodex blepharitis.

Conclusions: Demodex is present in the majority of patients with lash distention (89.2%) and greasy/oily lashes (77.3%). Additionally, almost half of MGD patients have demodex present (46.8%).

Keywords: 526 eyelid  
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