Objective Imaging Diagnostics for Dry Eye Disease

Figure 1

Noninvasive tear film break-up time (NIBUT) using the Oculus Keratograph 5 M (Oculus Optikgeräte GmbH, Wetzlar, Germany) presented as a tear film break-up color-code map. (a) No tear film break-up by 22–23 sec. (b) Immediately after tear film break-up. (c) At 7 sec after blinking.

(a)

(b)

(c)