Top Definition
When an optometry student is practicing tonometry, and leaves a fluorscein tattoo like stamp on the cornea.
"Your technique for measuring IOP needs work, you just left 'A Zastrow.' "
#zastrow #iop #tonometry #optometry #midwestern #alan #eye doctor #fluorscein #student #school #2014 #azcopt
by nguyenless November 11, 2011
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