Purpose: To determine whether patients can guess their intraocular pressure (IOP).
Design: Patient survey.
Methods: We asked consecutive patients to guess their IOP and then indicate the IOP and the symptoms that allowed them to guess.
Results: Of 132 patients, 22 (17%) believed they could guess their IOP, usually based on a periocular symptom (n = 20, 91%). Nine of these patients (45%) correctly identified whether they were below or above the pressure indicated by the symptom. In two patients who required no symptoms to guess and in nine whose IOP was above their symptom threshold, the mean difference of the guessed IOP from the actual IOP did not differ (+/- 3.3 mm Hg) from that of control patients (+/- 2.1 mm Hg, n = 50; r =.19).
Conclusions: Patients who believe they can guess their IOP appear as often inaccurate as accurate in assessing their IOP related to a symptom threshold and as accurate as patients who claim they cannot guess their IOP.
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View Article and Find Full Text PDFCan patients guess their intraocular pressure?
Am J Ophthalmol
February 2004
Pharmaceutical Research Network, LLC, Charleston, South Carolina 29412-2464, USA.
Purpose: To determine whether patients can guess their intraocular pressure (IOP).
Design: Patient survey.
Methods: We asked consecutive patients to guess their IOP and then indicate the IOP and the symptoms that allowed them to guess.
Digital palpation of intraocular pressure.
Ophthalmic Surg Lasers
September 1998
Department of Ophthalmology, University of Washington, Seattle 98195-6485, USA.
Background And Objective: Previous studies investigating the accuracy of digital palpation through the eyelids to estimate intraocular pressure (IOP) have shown disappointing results. In this study, the accuracy of digital assessment of IOP by palpation of the bare cornea is investigated.
Materials And Methods: The IOP of a cadaveric eye model was varied from 5 to 40 mm Hg in increments of 5 mm Hg.
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