The city is also served by Oklahoma State Highway 6, which connects Elk City with Altus to the south, and Oklahoma State Highway 34, connecting Elk City with Woodward to the north. The Elk City Regional Business Airport is located in the northeast part of the city, 1.5 miles (2.4 km) from the Interstate.
The optic disc is shaped like a doughnut with a pink neuroretinal rim and a central white depression called the physiologic cup.Check out the color of the neuroretinal rim, which carries the axons of the retinal ganglion cells. It should be orange-pink. If its axons die, the rim will turn white.he optic disc is shaped like a doughnut with a pink neuroretinal rim and a central white depression called the physiologic cup.
Optic disc drusen are abnormal deposits of protein-like material in the optic disc â the front part of the optic nerve. We do not know the exact cause of optic disc drusen but they are thought to come from abnormal flow of material in optic nerve cells.ptic disc drusen are caused by an abnormal deposition of a protein-like material in the optic nerve. The cause of this material is unknown. In some individuals, the deposition of this material can be inherited, while in others it occurs without a family history.