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.
Retinal nerve fibers exit the eye through the optic nerve, located nasally and on the same plane as the anatomical center of the retina. There is no retinal tissue overlying the optic nerve head. The optic nerve head or optic disc is oval in shape and measures approximately 1.75 mm. vertically and 1.5 mm horizontally. The center of the optic disc is located 4.5 mm to 5 mm nasal to the anatomical center of the retina.