Programm                 "Degeneration und Regeneration– Grundlagen, Diagnostik und Therapie"

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Electronic Recordings of Occlusion in Amblyopia - First Experiences in Germany

Chopovska Y., Cirina L., Zubcov A., Fronius M.
University Eye Clinic Frankfurt, Dept. of Paediatric Ophthalmology, Frankfurt/Main

Purpose: About one third of all amblyopes do not reach reading acuity in spite of occlusion therapy. One of the reasons is a lack of therapy compliance, which could not be quantified in the past. Experience with new devices (Occlusion Dose Monitors, ODM) for electronic recording of occlusion was recently reported (Simonsz et al. 1999). Taking part in the international study „Electronic Recording of Patching for Amblyopia Group (EPRAG)“, as the first centre in Germany, we have the opportunity to work with the new technology. In order to test the features of the ODMs we investigated the following questions: How reliable are the recordings of the ODMs compared to diaries? Is it possible to recognise whether the measurements took place on the eye or on other parts of the body? To what extent might the surrounding temperature be a limitation for the recordings?
Method: The ODMs (size: 31x15x3,5 mm) are glued to the outside of the occlusion patch. They measure every two minutes the temperature difference between their front and back side. Research workers and the family of one patient kept occlusion diaries while using the ODMs for several weeks. The research workers carried out measurements on the eye, on the forehead, on the arm and in the pocket of the trousers, while the room temperature was varied. The diaries and the ODM recordings were evaluated (some of them blind)

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