Clinical Study
Repeatability and Reproducibility of Noninvasive Keratograph 5M Measurements in Patients with Dry Eye Disease
Table 1
Characteristics of the study population.
| Parameters | Healthy () | Dry eye disease () | value |
| Age (year) | 38.76 ± 13.18 | 41.43 ± 15.77 | 0.403 | Gender (male/female) | 12/30 | 14/28 | 0.637 | OSDI (score) | 3.74 ± 6.90 | 30.37 ± 15.11 | <0.001 | FBUT (s) | 9.15 ± 3.51 | 4.59 ± 1.71 | <0.001 | Schirmer test (mm/5 min) | 15.48 ± 8.68 | 8.21 ± 5.68 | <0.001 | Oxford scale | 0.00 ± 0.00 | 1.16 ± 1.54 | <0.001 | Corneal sensation (mm) | 6.07 ± 0.09 | 5.63 ± 0.47 | <0.001 | TMH (mm) | 0.27 ± 0.12 | 0.22 ± 0.07 | 0.02 | NIKBUT-first (s) | 7.36 ± 3.99 | 5.57 ± 3.31 | 0.028 | NIKBUT-average (s) | 10.35 ± 4.22 | 8.08 ± 4.08 | 0.014 |
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FBUT = fluorescein tear breakup time; NIKBUT = noninvasive Kertograph tear breakup time; TMH = tear meniscus height; OSDI = Ocular Surface Disease Index.
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