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how do self-tonometry

how do self-tonometry

Submitted by nancy wolfe on Mon, 10/13/2008 - 11:37am


i was looking at a picture of the at555 and was wondering -

how does a person sit on one side with her head in the appropriate place and push the button on the other side to start the measurement?

does one just reach around the other side and hit a button or what?



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