Get out your materials.
Draw a slanted line wherever you want the eye to be.
Draw a straight line connected to it.
Draw a rectangle on top of the line but don't draw it past the top line. Then shade it in.
Erase some of the rectangle and add some lines to make your eyelashes.
Finish drawing the parallelogram.
Draw the pupil.
Draw the iris.
Color in the pupil.
Add in reflections in the pupil if you want.
Go ahead and color in the iris.