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  • 1960-1964  (1)
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    ISSN: 1573-2622
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les auteurs se sont servis d'un électrocardiographe portable, d'un photoflash et d'un appareil pour photographier le fond de l'oeil comme photostimulateur pour l'enregistrement de l'ERG dans la clinique. Les altérations dans l'ERG sont décrites, suivant les changements dans le stimulus et le niveau d'adaptation à la lumière concernant la dimension, l'intensité et la couleur des stimuli.
    Abstract: Zusammenfassung Die Autoren beschreiben eine einfache klinische Aufstellung, welche aus einem EKG Apparat und einem Photoblitz besteht. Eine Funduskamera hat sich als Reizapparatur für klinische Elektroretinographie sehr geeignet erwiesen. Das ERG wird diskutiert bezüglich der Änderungen in der Grösse, Intensität und Farbe der Lichtreize und des retinales Adaptationszustandes.
    Notes: Summary A simplified set-up for clinical electroretinography is described consisting of a portable ECG apparatus and a xenon flash unit. Special attention is paid to the electroretinographic responses found under very strong light conditions obtained with the fundus camera. The ERGs recorded at different levels of light adaptation, strength and wavelength of stimuli and background are discussed as well as the ERG changes recorded in the initial stage of dark adaptation after different levels of preadaptation. Finally, the ERG recorded under local retinal stimulation is discussed. The results obtained indicate the ample possibilities for clinical application of these techniques. By letting the retina shout, rather than murmur, the signal-to-noise ratio can be increased at least in a number of cases.
    Type of Medium: Electronic Resource
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