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Form vision in the insect dorsal ocelli: An anatomical and optical analysis of the dragonfly median ocellus

Berry, Richard; Stange, Gert; Warrant, Eric


Previous work has suggested that dragonfly ocelli are specifically adapted to resolve horizontally extended features of the world, such as the horizon. We investigate the optical and anatomical properties of the median ocellus of Hemicordulia tau and Aeshna mixta to determine the extent to which the findings support this conclusion. Dragonfly median ocelli are shown to possess a number of remarkable properties: astigmatism arising from the elliptical shape of the lens is cancelled by the...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Vision Research
DOI: 10.1016/j.visres.2007.01.019


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