Examinations of the optic nerve head

Optical Coherence Tomography (OCT) of the optic nerve head

OCT of an optic nerve head
OCT of an optic nerve head

A circular “cut” around the optic nerve head is used to measure the thickness of the nerve fiber layer in this area.

The thickness of the nerve fiber layer can provide information about the number of existing nerve fibers and any loss. The loss of nerve fibers can result in visual impairments.