Johnson, George Lindsay, 1853- · London : G. Routledge · leaf 57
THE EYE COMPARED WITH A CAMERA 35 entirely of a network of blood-vessels, which serve to nourish the parts around. And 3rdly the Eetina. This is a highly complicated nervous layer formed by the spreading out of the fibres of the optic nerve over the enthe surface of the back half of the eye. It… … Fig. 2. — Semi-diagrammatic vertical section of retina showing the layers and systems. the receptive layer on which the images of external objects are perpetually being formed. Each individual fibre is connected with a large cell called a ganglion- cell, from which one or more fibres pass dh'ectly…
Color photography
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
