Abstract
More than 60 patients with retinal vessel occlusions were examined using the electro-oculogram (EOG) ramp test. In the course of the disease a systematic disturbance of the slow oscillation of the corneoretinal potential occurred. First, the latency of the light peak increased. Then the peak decreased and was reached up to 5 min later than in the healthy eye. In the final stage the basic level dropped to about half of the normal value and light response was absent. During the next few weeks an improvement in the basic level took place, but usually this did not involve improved vision.
Zusammenfassung
Mit dem EOG-Rampen-Test wurden mehr als 60 Patienten mit Netzhautgefäßverschlüssen untersucht. Wir fanden einen systematischen Verlauf des Erlöschens der langsamen Schwingung des corneo-retinalen Potentials. Zuerst tritt eine größere Latenzzeit des Hellgipfels auf. Danach kommt es zu einer Amplitudenabnahme des Hellgipfels, der bis zu 5 Minuten später als in dem gesunden Auge erreicht wird. Im Endstadium ist der Basis-Wert bis auf die Hälfte erniedrigt und die Hellantwort ist völlig erloschen. Im Zeitraum einiger Wochen erholt sich der Basis-Wert wieder, ohne daß eine Visusbesserung eintreten muß.
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Täumer, R., Rohde, N. & Wollensak, J. Course of disturbance of EOG in retinal vessel occlusions. Graefe's Arch Clin Exp Ophthalmol 219, 29–33 (1982). https://doi.org/10.1007/BF02159976
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DOI: https://doi.org/10.1007/BF02159976