Animal Eyes aims to provide a comprehensive account of all known types of eye. It takes the diversity of optical mechanisms as a framework, but many other aspects of the structure and function of eyes are examined. Visual ecology, for example, the way that eyes are specifically adapted to thelifestyles of the animals that bear them, is another important theme. The 'design philosophy' of eyes is explored, too: what are the physical constraints on the way that an eye performs its functions, and how are these addressed by the different types of eye? Early and closing chapters look at theproperties of light critical to vision, and factors in eye adaptation like spatial resolution, sensitivity, and movement, while the central sections assess the capabilities of a wide variety of eye types.
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acceptance angle acute zone Airy disc angular animals aperture apposition eyes arthropods axis bees behaviour butterfly Cambrian Cambrian explosion cephalopods Chapter colour vision compound eyes contrast cornea crabs crustaceans crystalline cone dark detect diameter diffraction direction distance diurnal dorsal evolved example eye Fig eye movements eye's facet field of view fish focal length focus function ganglion cells gradient horizontal human eye insects inter-ommatidial angles inter-receptor angle jumping spiders layers lenses light levels mantis shrimp microvilli mirror molluscs moths motion move multilayer Nilsson nocturnal nodal point objects ocelli ommatidia ommatidium optical system pattern photon numbers photons photoreceptors plane Plate polarization prey principal eyes pseudopupil pupil radians rays receptors reflecting superposition reflectors refractive index region resolution retina rhabdom rhabdomeres rotation saccades sampling scanning sensitivity showing shrimps similar single spatial frequency spatial vision spherical aberration structure superposition eyes surface tapetum velocity vertebrates vertical visual pigment wavelength