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CATEGORIES:DAMTP BioLunch
SUMMARY:Fluid mechanics of the eye - Rodolfo Repetto (Univ
 ersity of Genoa)
DTSTART;TZID=Europe/London:20190924T140000
DTEND;TZID=Europe/London:20190924T150000
UID:TALK130735AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/130735
DESCRIPTION:The functioning of the eye is largely based on the
  presence and dynamics of fluids within the organ.
  Moreover\, various major ocular pathological cond
 itions are related to the presence of fluids. The 
 anterior part of the eye\, delimited by the cornea
  and the lens\, contains the aqueous humour\, a tr
 ansparent fluid with properties similar to water. 
 Aqueous humour is constantly pumped into the eye a
 nd drains at the angle between iris and cornea. Ba
 lance between aqueous production and resistance to
  drainage controls the intraocular pressure. Aqueo
 us humour is also responsible for delivering nutri
 ents to the non vascularised tissues of the cornea
  and lens. The space behind the lens\, surrounded 
 posteriorly by the retina\, is called vitreous cha
 mber and contains the vitreous humour. In young su
 bjects the vitreous is a viscoelastic gel but\, wi
 th advancing age\, it typically undergoes liquefac
 tion. The vitreous supports the sensory layer of t
 he retina in contact with the pigment epithelium a
 nd acts as a diffusion barrier between the anterio
 r and the posterior segments of the eye. During th
 e gel disruption process\, vitreoretinal tractions
  can be generated\, which are responsible for seve
 ral retinal pathological conditions\, such as macu
 lar oedema and retinal detachment.\n\nMathematical
  modelling of fluid mechanics in the eye has the p
 otential of providing very useful clinical informa
 tion on ocular physiology and can help understandi
 ng the origin and development of diseases.  In thi
 s talk I will review some work I have done in the 
 field of ocular fluid mechanics in the last years\
 , focusing in particular on i) the generation of v
 itreoretinal tractions and ii) fluid motion in the
  anterior chamber during eye rotations.
LOCATION:MR11\, Centre for Mathematical Sciences\, Wilberfo
 rce Road\, Cambridge
CONTACT:Anne Herrmann
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