superior colliculus

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A structure on the tectum that receives neural projections directly from the retina.
• noun The primary area of the brain thought to be involved in saccadic eye movements.
• noun The area of the brain thought to be involved in hand-eye coordination.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an essential visual center between the retina and the striate cortex