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.
Optometrists who operate franchise optical stores also may have some of these duties. Optometrists should not be confused with ophthalmologists or dispensing opticians. Ophthalmologists are physicians who perform eye surgery, as well as diagnose and treat eye diseases and injuries. Like optometrists, they also examine eyes and prescribe eyeglasses and contact lenses.