Abstract
This article presents an overview of current research work, concerned with the analysis of fossilised eye systems. Besides the investigation of these sophisticated eyes in terms of the physical rules and optical principles they have to obey, it is possible by comparison with Recent systems to assign their owners to defined ecological conditions and life styles. This is demonstrated, exemplarily, in the tiny trilobite Ctenopyge ceciliae Clarkson & Ahlberg 2002, as well as in representatives of the Chengjiang Fauna from the lower Cambrian of China, surely one of the most important Lagerstatten to demonstrate the importance of vision in early evolutionary development.
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