Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The dynamics of eye blink physiology. Each row illustrates the approximate timing of a component of a blink. The bolded vertical dashed lines correspond to blink onset (i.e., the initiation of eyelid closure) to blink offset (i.e., the return of the eyelid to the pre-blink fixation) as shown in the top row. Space between vertical dashed lines represents 50 ms. LP, levator palpebrae; OO, orbicularis oculi.
