"Human view of flower meadow. The image is sharply focused only in the middle and becomes more blurred towards the left and right extremities. The human eye can only sharply focus on the central 5 degrees of vision at any one time. p4210002.jpg"
- image and text courtesy of http://agentur-focus.de/Lightboxen/ANGEBOTE/FEATURES/2013/Tiere/SPLAnimalVision/index.html