MadSci Network: Medicine

Re: How fast does an eye blink?

Date: Thu Nov 19 19:29:11 1998
Posted By: McWilliams, Grad student, Optometry, University of Missouri- St. Louis
Area of science: Medicine
ID: 911393437.Me


     The average time it takes for a complete human blink is about 300 to 
400 milliseconds or 3/10ths to 4/10ths of a second.  Of course this is an 
average only and can differ from person to person.  Also, there are other 
factors that can affect blink speed, like fatigue, medications, 
diseases, and injury to the eye area.  Most factors decrease or slow the 
blink rate.
     Good luck!

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