Abstract
Purpose
The Ocular Surface Disease Index (OSDI) and the Standardized Patient Evaluation of Eye Dryness (SPEED) which are standard questionnaires of dry eye syndrome were used to determine the associations between clinical dry eye tests and meibomian gland dysfunctions (MGD).
Methods
Forty-one patients with MGD were enrolled in this study. The score of the dry eye syndrome questionnaire and the degree of blepharitis (score: 0–4), Schirmer test results, degree of fluorescence staining of cornea (Oxford Grading System), tear break-up time (TBUT), Pentacam imaging, and anterior segment optical coherence tomography results were used to compare and analyze the results of each test for possible correlations with the dry eye questionnaire answers.
Results
There was a significant correlation between OSDI and SPEED (R = 0.278, p = 0.011). SPEED was correlated with the Oxford grade (R = 0.478, p < 0.001) and MGD grade (R = 0.280, p = 0.011) while there was no significant correlation with corneal aberrations, tear meniscus height, tear meniscus area, Schirmer test results, or TBUT. The OSDI correlated with the MGD grade (R = 0.651, p < 0.001), TBUT (R = −0.360, p = 0.001), and age (R = −0.230, p = 0.037). Using multiple regression analyses, the MGD grade affected the OSDI (β = 0.580, p < 0.001) and the Oxford grade significantly influenced the SPEED (β = 0.447, p < 0.001).
Figures and Tables
Table 1
Values are presented as mean ± standard deviation or number. MGD = meibomian gland dysfunction; SPEED = Standardized Patient Evaluation of Eye Dryness; OSDI = Ocular Surface Disease Index; RMS = root mean square; TMH = tear meniscus height; TMA = tear meniscus area; TBUT = tear break up time. *Statistically significant t-test (p < 0.05).
Notes
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