They are not found in the fovea or ora serrata. Because their processes envelope blood vessels of the optic nerve and nerve fiber layer they probably act as a blood brain barrier. Microglia are of mesodermal origin rather than being true neuroglia. They probably developed with blood vessels. They are in every retinal layer.
Oligodendrocytes form myelin sheaths around optic nerve axons.
An optical device used to view the iridocorneal angle . The information contained on this website should not be considered medical guidance or professional advice. Direct any questions concerning your personal health to your appropriate health care professional.