Assessment of the Tear Meniscus by Strip Meniscometry and Keratograph in Patients With Dry Eye Disease According to the Presence of Meibomian Gland Dysfunction

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Abstract

Purpose:

We aimed to compare the tear meniscus measurements using strip meniscometry (SM) and Keratograph5M (K5M) between 3 subtypes of dry eye disease patient groups, classified according to the presence of meibomian gland dysfunction (MGD), and normal subjects.

Methods:

We enrolled 145 eyes from 145 subjects and measured the tear meniscus using SM and K5M, tear film breakup time, ocular surface staining, and ocular surface disease index; the Schirmer test; and examined lid margins and meibomian glands. Correlation of tear meniscus parameters with other parameters and efficacy of the 2 measurements were evaluated.

Results:

The SM and K5M results were significantly lower in the non-Sjögren syndrome aqueous-deficient dry eye (non-SS ADDE) with and without MGD groups than in the MGD-only group and normal subjects. The SM or K5M results correlated with each other and with other ocular surface parameters. The area under the curve (AUC) of the SM and K5M results was 0.637 (P = 0.012) and 0.610 (P = 0.042), respectively. Except for the MGD group, the AUC of the SM and K5M results were 0.721 (P < 0.001) and 0.694 (P = 0.001), respectively. The AUC of SM and K5M were 0.947 (P < 0.001) and 0.784 (P = 0.002), differentiating non-SS ADDE-only patients from those with normal eyes.

Conclusions:

Tear meniscus measurements using SM and K5M can compensate for detection of aqueous-deficient components of dry eye. These results should be interpreted according to the presence or absence of MGD.

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