OSDx test

Blink analysis

OSDx records spontaneous blinking using infrared illumination and reports blink frequency, inter-blink timing, blink completeness and lid-contact behaviour.

Why blink analysis matters

Blinking protects the ocular surface and restores the transparent tear film needed for stable vision. Dry-eye patients may show increased blink frequency, shorter inter-blink intervals, partial blinks or longer lid closures.

Quantifying blink behaviour adds context to symptoms, tear-film instability and ocular-surface findings.

Parameters at a glance

Total and complete blink count.
Partial blink frequency.
Inter-blink interval statistics.
Lid contact and closure duration.
Study quality from the blink graph and baseline behaviour.

Back to OSDx