Maverick County Courthouse, Eagle Pass, Texas 188/254 âThe Rio Grande forms Maverick Countyâs western and international border with Mexico; the county is bordered on the north by Kinney County, on the east by Zavala County, and on the south by Webb County.
The function of the optic chiasma  is to relay electric signals as they pas â¦ s from the optic nerve to  the brain.
The Optic Nerve. As well as numerous blood vessels, the eye also contains the optic nerve. This runs from the back of the eyeball, through an opening in the orbit known as the optic foramen. From here, the optic nerve connects to the brain and acts as a conduit, transmitting visual information into the brain.he rest of the eye (the scleral segment) is opaque. Several nerves and blood vessels run through the sclera, including the optic nerve. The cornea and scleral segment come together in an area called the limbus.