glossary

These cells transmit the information from the other layers of the retina to the brain. The axons of these cells make up the optic nerve. Retinal ganglion cells comprise the most superficial cell layer in retina and are susceptible to damage in a number of disease entities, including glaucoma.

A collection of retinal ganglion cells that carry the information from the macula (the central retina) to the optic nerve and on to the brain. If damaged, central visual field defects occur.

A flat, rather featureless area of the ciliary body which contains relatively few blood vessels. Instruments used in vitreoretinal surgery are inserted in this region.