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.
The three main types of eye care professionals are ophthalmologists, optometrists, and opticians. Ophthalmologists and optometrists are both involved with the examination of healthy eyes and the diagnosis and treatment of eye diseases. Opticians are trained in filling prescriptions for eyeglasses and determine the proper eyeglass frames and adjust frames for proper fit.