I connected with Central High School students from his office in Washington, D.C. by hosting a live video chat and answering dozens of questions. As one of the youngest members of Congress, Representative Smith has embraced new technology to stay connected with constituents when he is in Washington, D.C.
Pupil is an opening, thus is controls the amount of light that enters our eye. The pupil in your eye is actually a hole in which light and pictures can be viewed. Stuff doesn't go in it because our pupils are covered with a protective layer called the lense. To control the amount of light entering the eye.
In optical terms, the anatomical pupil is the eye's aperture and the iris is the aperture stop. The image of the pupil as seen from outside the eye is the entrance pupil, which does not exactly correspond to the location and size of the physical pupil because it is magnified by the cornea.