Summary
In vivo studies on the temporal LPCA in rhesus monkeys have revealed the following:
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1.
The LPCA invariably supplies a sector of the choroid posterior to the equator, starting almost immediately from the point where it joins the choroid after having pierced the sciera, and extending forward.
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2.
Occlusion of one or both LPCAs produces no ischaemic damage to the anterior segment of the eye.
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3.
Occlusion of one or both LPCAs seems to have no significant effect on the IOP. The ocular hypotony seen in such cases is in all probability primarily due to damage to the accompanying ciliary nerves. This subject however, requires further exploration.
Zusammenfassung
Experimentelle Untersuchungen an der temporalen langen, hinteren Ciliararterie (LHCA) des lebenden Rhesus Affen ergaben folgende Resultate:
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1.
Die LHCA versorgt einen Sektor der Aderhaut hinter dem Äquator. Dieser Sektor beginnt an dem Ort, wo die Arterie die Aderhaut erreicht, nachdem sie die Lederhaut durchbrochen hat. Von diesem Punkt erstreckt sich der Sektor nach vorn.
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2.
Unterbrechung von einer oder beider LHCA verursacht keinen ischaemischen Schaden im vorderen Bulbusabschnitt.
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3.
Unterbindung von einer oder beiden LHCA scheint keine wesentlichen Einfluß auf den intra-okularen Druck auszuüben. Die Hypotonie, die man in solchen Fällen oft findet, ist wahrscheinlich durch einen Schaden des begleitenden Ciliarnerven verursacht. Dieser Punkt muß jedoch weiter untersucht werden.
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Singh Hayreh, S. The long posterior ciliary arteries. Albrecht von Graefes Arch. Klin. Ophthalmol. 192, 197–213 (1974). https://doi.org/10.1007/BF00416866
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DOI: https://doi.org/10.1007/BF00416866