Anne Sullivan their roles as Sullivan and Keller in the 1962 film version "The Miracle Worker". Anne Sullivan Johanna Mansfield Sullivan Macy (April 14, 1866 – October 20, 1936), better known as Anne Sullivan, was an American teacher, best known for being the instructor and lifelong companion of Helen Keller. At the age of five, Sullivan contracted trachoma, an eye disease, which left her blind and without reading or writing skills. She received her education as a student of the Perkins School for the Blind where upon graduation she became a teacher to Keller when she was 20. Sullivan was born on
Exit pupil Exit pupil In optics, the exit pupil is a virtual aperture in an optical system. Only rays which pass through this virtual aperture can exit the system. The exit pupil is the image of the aperture stop in the optics that follow it. In a telescope or compound microscope, this image is the image of the objective element(s) as produced by the eyepiece. The size and shape of this disc is crucial to the instrument's performance, because the observer's eye can see light only if it passes through this tiny aperture. The term "exit pupil" is also sometimes used to