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Impressum
Telematic Assisted Selftonometry: Daily Pressure Curves Of Patients With Ocular Hypertension
Groh M. E. M., Michelson G.
Augenklinik mit Poliklinik der Universität Erlangen-Nürnberg
Background: Daily Pressure Profiles in healthy volunteers normally
show changes due to daytime. We were interested if patients with ocular
hypertension show this rhythm as well.
Methods: With a selftonometry device (Ocuton S, EPSa, D-Saalfeld) 21 patients
measure their intraocular pressure several times a day. Via phone or digital
assistant they send the IOP-values to a server (MedStage, Siemens). The
ophthalmologist is able to look at the values via Internet. A statistical
analysis can be done by a special software.
Patients: 5 out of the 21 patients have a ocular hypertension.
They show no pathological changes in respect to the optic nerve head or
perimetry. The average time of measurement is about 9 month (1 month -
2,5 years).
Results: 3 out of 5 patients with ocular hypertension show minimal
IOP values at 24h and maximal IOP values between 8 and 10h. Two patients
show no circadian rhythm.
Conclusions: Further observations with the telematic assisted selftonometry
have to show if the lack of daily IOP-changes in patients with ocular
hypertension is a negative prognostic sign due to the development of manifest
glaucoma and if the presence of a circadian rhythm a positive sign.