Talk:Tonometry

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The section on pneumotonometry is not very clear. Although air-puff tonometers are sometimes called pneumotonometers, that is not generally considered the correct terminology. A pneumotonometer is a contact device. Pneumotonometers are capable of continuous display of the intraocular pressure over time. The Paradigm Ocular Blood Flow Analyzer is an example of a pneumotonometer that I'm familiar with. A non-contact tonometer on the other hand uses an air puff to obtain a single reading. These devices are not capable of continuous display of IOP over time. Examples of a modern non-contact tonometers include the Reichert AT555 or the Nidek NT4000. Non-contact tonometers certainly have their place in both clinical practice and in research. It is unfortunate that a biased attitude towards non-contact tonometers persists in ophthalmology, but that's another story. —Preceding unsigned comment added by 24.129.101.179 (talk) 03:10, 24 September 2007 (UTC)