Inside the iris, the color inside the center of the eye, draw the pupil, which is the darkest bit of the eye. Fill most of it in black and leave a little white. With your pencil flat, use a bit of shading for the base. Shade variant from medium and light in the iris, using tightly spaced short lines from the edge of the pupil to the white of the eye. Draw lighter in some areas to give it a nice effect. Draw eyebrows above. Now rub out the guidelines below the eye.