Volume elasticity of the ocular avascular compartment in vivo and post mortem

By considering the frequency dependence of the ocular volume elasticity it is possible to locate the static volume elasticity function of the avascular compartment of the eye in vivo. The procedure used involved measuring the dynamic volume elasticity function E = f(P,v), where E = volume elasticity...

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Bibliographic Details
Published in:Biological cybernetics 1982, Vol.43 (1), p.29-34
Main Authors: Malessa, P, Rockenfeller, K H, Pak, M A, Roth, P P
Format: Article
Language:English
Subjects:
Animals
Anterior Chamber - physiology
Biomechanical Phenomena
Elasticity
Intraocular Pressure
Mathematics
Ocular Physiological Phenomena
Rabbits
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Summary:By considering the frequency dependence of the ocular volume elasticity it is possible to locate the static volume elasticity function of the avascular compartment of the eye in vivo. The procedure used involved measuring the dynamic volume elasticity function E = f(P,v), where E = volume elasticity, P = intraocular pressure, and v = frequency, in vivo and post mortem at a frequency higher than the apparent upper mechanical response frequency of the intraocular vascular bed. In addition, post mortem measurements were made of the volume elasticity function at a frequency which was as low as experimentally possible. For practical purposes the latter volume elasticity function may serve as an estimate of the static elasticity function of the avascular compartment in vivo. This is possible in all cases because at the high frequency level the dynamic volume elasticity functions measured in vivo and post mortem are identical.
ISSN:0340-1200
1432-0770
DOI:10.1007/BF00337285