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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Documenta ophthalmologica 70 (1988), S. 37-43 
    ISSN: 1573-2622
    Keywords: age ; macular electroretinogram ; standard techniques
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Macular and paramacular electroretinograms in response to two adjacent checks (6 deg/side), alternating at constant mean luminance, were recorded in 34 normal subjects ranging in age from 16 to 74 years. The macular electroretinogram declines progressively in amplitude with age (R = −0.42; P = 0.013). The amplitude ratio between macular and paramacular responses tends to be independent of age (R = -0.21; P = 0.22). Age-related changes in the macular electroretinogram shown in our study are consistent with previous anatomical and functional studies, which indicate a deterioration of photoreceptors beyond 20 years of age. These results suggest a possible use of this technique for future studies on macular degeneration.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1590-3478
    Keywords: Cluster headache ; bypass surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario A distanza di oltre due anni da un intervento di bypass tra aorta ascendente ed arteria anonima un uomo di 51 anni con cefalea a grappolo non ha più riferito ulteriori episodi algici. Viene avanzata l'ipotesi che l'intervento abbia svolto un ruolo causale nella remissione di tali episodi.
    Notes: Abstract A 51-year-old man with cluster headache has been free from cluster attacks for over two years following ascending aorta/innominate artery bypass surgery for correction of an atherosclerotic narrowing at the origin of the innominate artery. Surgery may have been a causal factor in the remission of these attacks.
    Type of Medium: Electronic Resource
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