The optic nerve, which is a collection of retinal nerve fibers, conducts the electrical impulses to the optic chasm of the brain, according to the Vision for Tomorrow Foundation. Half of the retinal nerve fibers from each retina's inner half cross to the other side of the brain. The nerve fibers meet at the occipital lobe in the back of the brain. Vision is interpreted by the brain in the primary visual cortex. Each rod and cone, which are photoreceptors, in the retina is connected to the optic nerve by a tiny nerve branch, according to the Merck Manual Home Edition.
The equator is located at zero degrees latitude. The equator runs through Indonesia, Ecuador, northern Brazil, the Democratic Republic of the Congo, and Kenya, among other countries.
sydeen/iStock/Getty Images. The five major lines of latitude, more commonly referred to as the five major circles of latitude, are lines that mark specific points on Earth. Four of the lines are either north or south of the equator and also run parallel to the equator.he Antarctic Circle. The Antarctic Circle is located at approximately 66.5 degrees south latitude, or 66.5 degrees south of the equator. This line, or circle, of latitude marks the start of the southern area known as the Antarctic. The circle consists of only one continent, Antarctica.