Banks et al.: Why Do Animal Eyes Have Pupils Of Different Shapes?

Human eyes have round pupils, but there is considerable variation in the animal kingdom, from the vertical slit pupil of a cat, to the horizontal slot of a goat, as pictured above. So Martin S. Banks and his colleagues asked the question “Why?” in an article published in Science Advances in August 2015. They started … Continue reading Banks et al.: Why Do Animal Eyes Have Pupils Of Different Shapes? →