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Citations 0
April 1, 2005

Clinical Comparison of the Proview Eye Pressure Monitor With the Goldmann Applanation Tonometer and the TonoPen—Reply

Arch Ophthalmol. 2005;123(4):579-580. doi:10.1001/archopht.123.4.579

In reply

We thank Drs Leung and Lam for their interest in our article.1 The following are answers to their questions. We chose to measure intraocular pressure (IOP) in the fixed order (Goldmann, TonoPen, and Proview) because we believe that Goldmann and TonoPen tonometries by the physician have very minimal if any effect on subsequent IOP measurements due to massaging the globe. On the other hand, use of Proview by the patient may have a very significant effect due to the nature of the technique. For the second question, none of our study patients had previous incisional eye surgery. Third, we used the mean of 2 measurements from each method for every patient in the analysis. To use the median would require more measurements, longer testing time, and more manipulation of the eye, which may lead to inaccuracy of the data.