Standardization of meibomian gland dysfunction in an Egyptian population sample using a non-contact meibography technique

Author:

Karara Ahmed Mohamed, ,El-Helw Mostafa Ali,Macky Tamer Ahmed,Abdelhakim Mohamad Amr Salah Eddin, , ,

Abstract

AIM: To develop normative data for meibomian gland dysfunction (MGD) parameters, using non-contact meibography technique of Sirius Costruzione Strumenti Oftalmici (CSO) machine, in an Egyptian population sample. METHODS: Observational, cross-sectional, analytic study, in which 104 Egyptian volunteers were included. Both upper lids were examined, using “Sirius CSO” machine. Each eyelid was given a degree of meibomian gland loss (MGL), which was calculated by the software of the machine. RESULTS: Mean percentage MGL in right upper lid was of 30.9%±12.6%, and that of left upper lid was 32.6%±11.8%. Thirty-four volunteers (32.7%) had first-degree MGL in their right upper lid, and 67.3% had second-degree loss. One volunteer (1%) had zero-degree MGL in left upper lid, 28 (26.9%) had first-degree loss, and 75 (72.1%) had second-degree loss. Degree of MGL in right upper eyelid was not related to age, but degree of MGL in left upper eyelid increased with age. There was statistically significant difference between both genders for degree of MGL in right eye (P=0.036) and in left eye (P=0.027). CONCLUSION: Noncontact meibography is a useful non-invasive tool for diagnosing MGL. MGL is diagnosed in 100% of apparently normal individuals; 26.9%-32.7% of which have first-degree MGL, and 67.3%-72.1% have second-degree MGL.

Publisher

Press of International Journal of Ophthalmology (IJO Press)

Subject

Ophthalmology

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