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  • Title: [The sources of ophthalmodynamography. Determination of tissue volumes of human lids and orbital contents (author's transl)].
    Author: Derka H.
    Journal: Albrecht Von Graefes Arch Klin Exp Ophthalmol; 1975 Aug 06; 196(2):153-8. PubMed ID: 1080646.
    Abstract:
    The volumetric determination of all those tissues relevant for Opthalmodynamography (ODG) showed the lids to contribute about a quarter to the total volume; another quarter each was due to the optic bulb including optic fascicel, external bulbar musculature and orbital fat. Bulb and fascicel show no pulsations that could be detected oscillographically, fat tissue is poorly vascularized and therefore is of minor importance in respect to the origin of pulsation. The main causes of ODG-oscillations therefore are external eye muscels and eye lids, each contributing a minimum of one third to the heights of the pulse. Assuming all tissues of possible importance for the origin of ODG to be equally well vascularized the part of ODG pulse height due to influence of eye lids is minimally 25% or 32% in the average.
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