Tonometry2012
Tonometry2012
Tonometry2012
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Corneal thickness affects tonometric accuracy<br />
Goldmann realized that corneal thickness and rigidity were important and might influence measurement of<br />
IOP.<br />
The instrument was optimized for an “average” cornea of 520 µm (underestimated , 540 - 550 µm.)<br />
People who have thin corneas have IOP measurements which are lower than true IOP.<br />
People with thick corneas tend to have an IOP measurement higher than true IOP.
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