Beitrag zur vergleichenden Ophthalmo-Morphologie : das Bachforellenauge

Meyer, P. and Salzer, P. and Grieshaber, M. C. and Meyer, A.. (2009) Beitrag zur vergleichenden Ophthalmo-Morphologie : das Bachforellenauge. Klinische Monatsblätter für Augenheilkunde, Vol. 226. pp. 337-340.

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Official URL: http://edoc.unibas.ch/dok/A6003279

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BACKGROUND: The aim of this study was to assess similarities and differences between the trout eye and the human eye. MATERIALS AND METHODS: Gross and microscopic examinations of the formalin-fixed eyes of each five trout and human eyes (donor eyes not suitable for keratoplastic) were carried out. RESULTS: Compared to the human eye, the trout showed a flattening of the anterior-posterior axis, and cartilage-stabilized sclera. The peripheral cornea was much thicker than the central, had a multilayered thick epithelium, a distinct Bowman layer, and an implied Descement membrane. A ring-shaped ligament filled up the angle of the anterior chamber and linked the iris to the cornea. The lens showed a spherical aspect with a thick capsule and missing zonular fibres, however, a suspensory ligament of a superior part of the lens was present. Ventrally, at the end of the falciform process, a small, pigmented structure was in contact with the lens. The retina was similarly differentiated, but the choroid showed special structures like choroidal gland, falciform process and the argentea compared to the human eye. CONCLUSIONS: Great variations between the ocular anatomy of the trout and the human exist. However, the retina of the trout is fully differentiated and remarkably similar to that of human eyes.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Department of Biomedicine, University Hospital Basel > Ocular Pharmacology and Physiology (Neutzner/Meyer)
UniBasel Contributors:Meyer, Peter
Item Type:Article, refereed
Article Subtype:Research Article
Note:Note: Contribution to comparative ophthalmo-morphology: the eye of the brown trout -- Publication type according to Uni Basel Research Database: Journal article
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Last Modified:24 May 2013 09:22
Deposited On:24 May 2013 09:04

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