The physiology of vision with special reference to colour blindness (1920)
Edridge-Green, Frederick William, 1863- · London, G. Bell and sons · leaf 27
PHYSIOLOGY OF VISION 12 other layers of the retina are much thiruier at the fovea than elsewhere, though their thickness gradually increases until in the outer parts of the yellow spot the retina is atjtsjthickest. The layer of ganglion cells is especially thickened at the edge of the fovea. The… … Via. 1.—Schema of Structure of Human Retina (Greef). gangUon cells. As the line of the pigment cells remains level and the cones are much longer, the external limiting membrane dips in and thus forms an external fovea. This I found to be -3 mm. in size in the specimen I examined.
Color vision · Vision · Color blindness · Refraction · Ophthalmology
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.