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Fluid Dynamic Events Within the Vitreous Cavity Induced by Saccadic Eye Rotations

[+] Author Affiliations
Chiara Cafferata, Alessandro Stocchino

University of Genoa, Italy

Rodolfo Repetto

University of L’Aquila, ItalyImperial College, London, UK

Jennifer Siggers

Imperial College, London, UK

Paper No. SBC2007-176417, pp. 495-496; 2 pages
doi:10.1115/SBC2007-176417
From:
  • ASME 2007 Summer Bioengineering Conference
  • ASME 2007 Summer Bioengineering Conference
  • Keystone, Colorado, USA, June 20–24, 2007
  • Conference Sponsors: Bioengineering Division
  • ISBN: 0-7918-4798-5
  • Copyright © 2007 by ASME

abstract

The vitreous cavity constitutes most of the eye volume and is filled by the vitreous humour or vitreous body. It has the shape of a weakly deformed sphere, the deformation being essentially due to the presence of the lens, which produces an inward indentation in the anterior part of the chamber. Under normal conditions the vitreous body has the consistency of a gel with viscoelastic rheological behaviour [1]. Ageing gradually disintegrates the gel structure leading to a partial or total vitreous liquefaction. After some surgical procedures (vitrectomy) the vitreous body may be completely replaced by “tamponade fluids”, typically silicon oils, which are left for a certain time within the eye and are eventually replaced by water.

Copyright © 2007 by ASME
Topics: Fluids , Cavities

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