OSDx test

Lipimetry

Lipimetry measures tear-film lipid-layer thickness using interferometric colour information, producing a colour LLT map, distribution histogram and image-quality indicators.

Understanding the display

The results pane shows a colour-coded lipid-layer thickness map, a histogram of thickness distribution, and the captured tear-film interference image. The vivid map emphasises spatial variation, while the summary map groups measurements into broader categories such as thin, normal, thick and very thick.

Lipimetry histogram view — Histogram view showing lipid-layer thickness distribution.

Lipimetry image view — Image view showing the captured interference pattern alongside the colour map.

Parameters at a glance

Mean lipid-layer thickness.
Standard deviation, describing spatial variation.
Upper/lower ratio.
Thick lipid percentage.
Coded-pixel percentage and clipping indicators for quality control.

Back to OSDx