senator for the state of Illinois. Barack Hussein Obama, Jr., a Democrat, is President of the United States. He was elected President of the United States on November 4, 2008, becoming the first African American President of the U.S. and the 44th U.S. President. This article has been tagged for review, verification, and update.
1 Also called optometrist. a general name used to refer to an ophthalmic optician, a person qualified to examine the eyes and prescribe and supply spectacles and contact lenses.  a general name used to refer to a dispensing optician, a person who supplies and fits spectacle frames but is not qualified to prescribe lenses.
Noun. 1. optic-the organ of sight. eye, oculus. sense organ, sensory receptor, receptor-an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation. visual system-the sensory system for vision.f or relating to the eye or vision. 2. Of or relating to the science of optics or optical equipment. n. 1. An eye. 2. Any of the lenses, prisms, or mirrors of an optical instrument.