title: Comparative Vision: Can Bacteria Really See?
abstract: It has been known for some time that not only animals, but also some advanced unicellular algae possess imaging eyes. Now it seems that even tiny cyanobacteria have what it takes to qualify for the most basic definition of vision.
authors.affiliation: Lund Vision Group, Department of Biology, Lund University, Sölvegatan 35, 22362 Lund, Sweden. Electronic address: dan-e.nilsson@biol.lu.se.
authors.forename: Dan-Eric
authors.initials: DE
authors.lastname: Nilsson
authors.affiliation: Department of Ophthalmology and Visual Sciences, Department of Genetics, and McPherson Eye Research Institute, University of Wisconsin, Madison, Wisconsin, USA.
authors.forename: Nansi J
authors.initials: NJ
authors.lastname: Colley
mesh_terms: D000818:Animals; D005123:Eye / Q000033:anatomy & histology; D007448:Invertebrates / Q000033:anatomy & histology / Q000502:physiology; D009799:Ocular Physiological Phenomena; D046939:Synechocystis / Q000166:cytology* / Q000502:physiology* / Q000528:radiation effects