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Literature

Ophthalmologic Examination Of The Normal Eye Of The Koala

Lawrence W. Hirst,1 Anthony Stephen Brown,2 Roxanne Kempster,1 and Nedda Winney3

1 Division of Ophthalmology, 2nd floor, Lions Research Building, Princess Alexandra Hospital, Ipswich Road, Woolloongabba, Brisbane. Queensland 4102, Australia

2 Cl- Department of Lands and Environment, Division of Environment and Conservation,
Private Mail Bag, Apia, Western Samoa

C/- Bold Acres, O’Leary Avenue, Burpengary, Queensland 4505, Australia

ABSTRACT

The ophthalmic examination of the koala (Phascolarctos cinereus) was undertaken to describe the normal in vivo structure. Twenty-two of 28 koalas examined were found to have normal eyes. Slit-lamp examination revealed unusual lamellae in the cornea, and mean keratometric readings were 59.3 ± 3 diopters, corneal endothelial cell area of 381.4 µm2 ± with a standard deviation of 46.8 µm2. No particular features were seen which would explain the susceptibility of this animal to ocular infection by Chiamydia psittaci. Key words: Phascolarctos cinereus, slit-lamp examination, specular microscopy, intraocular pressure, keratometry, ophthalmic examination.

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  • 2013
  • Biogeography
  • Biology
  • Chlamydia
  • Diet
  • Disease
  • Ecology
  • Ellis
  • Eucalyptus
  • Genetics
  • Habitat
  • Infection
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  • Koala
  • Lunney
  • Threats
  • Timms
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