As additional sources for vital records, original documents, vintage photographs and surname-based DNA projects are discovered, this page is updated to offer the best list for researching Koepka ancestry.
View image. The optic nerve connects your eyes to your brain. It carries the visual messages that you see to your brain. An injury to your optic nerve is called traumatic optic neuropathy. If your injury is severe, you may have permanent changes in your vision.
Optic nerve A cranial nerve (from the brain) that carries impulses information from the eyes to the brain where it can be interpreted. Pupil The pupil is essentially a hole in the center of your iris that controls how much light enters the eye. It's size is controlled by the relaxing and contracting of the iris.