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SUMMARY:Fluid mechanics of the eye - Rodolfo Repetto (University of Genoa)
DTSTART:20190924T130000Z
DTEND:20190924T140000Z
UID:TALK130735@talks.cam.ac.uk
CONTACT:Anne Herrmann
DESCRIPTION:The functioning of the eye is largely based on the presence an
 d dynamics of fluids within the organ. Moreover\, various major ocular pat
 hological conditions are related to the presence of fluids. The anterior p
 art of the eye\, delimited by the cornea and the lens\, contains the aqueo
 us humour\, a transparent fluid with properties similar to water. Aqueous 
 humour is constantly pumped into the eye and drains at the angle between i
 ris and cornea. Balance between aqueous production and resistance to drain
 age controls the intraocular pressure. Aqueous humour is also responsible 
 for delivering nutrients to the non vascularised tissues of the cornea and
  lens. The space behind the lens\, surrounded posteriorly by the retina\, 
 is called vitreous chamber and contains the vitreous humour. In young subj
 ects the vitreous is a viscoelastic gel but\, with advancing age\, it typi
 cally undergoes liquefaction. The vitreous supports the sensory layer of t
 he retina in contact with the pigment epithelium and acts as a diffusion b
 arrier between the anterior and the posterior segments of the eye. During 
 the gel disruption process\, vitreoretinal tractions can be generated\, wh
 ich are responsible for several retinal pathological conditions\, such as 
 macular oedema and retinal detachment.\n\nMathematical modelling of fluid 
 mechanics in the eye has the potential of providing very useful clinical i
 nformation on ocular physiology and can help understanding the origin and 
 development of diseases.  In this talk I will review some work I have done
  in the field of ocular fluid mechanics in the last years\, focusing in pa
 rticular on i) the generation of vitreoretinal tractions and ii) fluid mot
 ion in the anterior chamber during eye rotations.
LOCATION:MR11\, Centre for Mathematical Sciences\, Wilberforce Road\, Camb
 ridge
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