... are present. From the literature and our results, we have no reason to assume that this is not the case in any of the species we studied. * Author for correspondence (e-mail: [email protected] ) 6 6 2007 © The Company of Biologists Limited 2007 2007 physiological optics...

... have colour vision despite being described as cone monochromats. * Author for correspondence (e-mail: [email protected] ) 20 10 2005 © The Company of Biologists Limited 2006 2006 physiological optics chromatic aberration multifocal lens slit pupil evolution...

... by Company of Biologists 1999 cuttlefish Sepia officinalis accommodation physiological optics photoretinoscopy histology vision Cephalopods have attracted considerable interest because they represent the most highly developed invertebrates and because they show numerous adaptations...