"The eyes of Doctor T.J.Eckleburg are blue and gigantic-their retinas are one yard high." This quote is talking about how the billboard has eyes on it. The eyes are watching over the characters throughout the book. Eyes symbolize someone always watching over you. They are always seeing what you do.
These adorable, windblown snowmen were created with my daughter's footprint last Christmas. Then I cut out the hats, scarves, and carrots from decorative origami paper. And then I drew on the arms and eyes.