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Andre Rosentreter, Nicole Eter, Thomas Dietlein; Ambulant IcareONE self-rebound tonometry instead of a 24 hour IOP profile in hospital?. Invest. Ophthalmol. Vis. Sci. 2015;56(7 ):97.
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To evaluate the application of the hand-held rebound self-tonometer IcareONE in ambulant patient-centered care.
Forty-five patients (28 with glaucoma and 17 suspicious for glaucoma) with a maximum age of 70 years were instructed to use the iCareONE to obtain an ambulant IOP profile with five daily measurements over a minimum period of three days.
65.5% of all measurements were valid (minimum 17.0%, maximum 97.4%). Patients with more than 80.0% valid measurements were significantly older (56.4 ± 18.2 years vs. 43.9 ± 14.8 years; p = 0.015) and required significantly less time for a single measurement (1.5 ± 0.7 minutes vs. 3.8 ± 2.9 minutes; p = 0.009) than others. In 85% of the cases the ambulant IOP-profile allowed to make a decision about further medical and surgical therapy. The results of the self-assessment about the general operability correlated significantly with the number of valid measurements (p = 0.039). 78 % of the patients reported a positive learning curve in the course of the pressure profile.
Ambulant IOP profile using the iCareONE tonometer is a safe and significant method for middle-aged patients. After introduction to the patients it is a time- and ressource-saving procedure. Indicators for valid measurements are: patients that are able to measure both eyes in less than two minutes, a stated high general operability by the patients and an age between 40 to 70 years.
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