Tonometry2012
Tonometry2012
Tonometry2012
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The Proview eye pressure monitor<br />
Has a flat applicator the same diameter as the Goldmann<br />
tonometer<br />
It uses a psychophysical test based on the entoptic phenomenon<br />
of pressure phosphenes, a sensation of light elicited by nonphotic<br />
stimuli, to evaluate IOP.<br />
Not very accurate<br />
Home Home-use Home Home-use use tonometers<br />
Pressure phosephene ring<br />
Diaton<br />
Diaton tonometer also measures IOP<br />
through the eyelid. The measurement<br />
principle is based on the acceleration of a<br />
free falling rod with a known weight and<br />
its interaction with the elastic eye surface<br />
through the eyelid. This tonometer tends<br />
to underestimate IOP.
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