5. There is no concrete answer to this question, but many critics say that his eyes symbolize the eyes of God looking over the land of sin.

“But above the grey land and the spasms of bleak dust which drift endlessly over it, you perceive, after a moment, the eyes of Doctor T. J. Eckleburg. The eyes of Doctor T. J. Eckleburg are blue and gigantic – their retinas are one yard high. They look out of no face but, instead, from a pair of enormous yellow spectacles which pass over a nonexistent nose. Evidently some wild wag of an oculist set them there to fatten his practice in the borough of Queens, and then sank down himself into eternal blindness or forgot them and moved away. But his eyes, dimmed a little by many paintless days under sun and rain, brood on over the solemn dumping ground… I followed [Tom] over a low white-washed railroad fence and we walked back a hundred yards along the road under Doctor Eckleburg’s persistent stare… “Terrible place, isn’t it,” said Tom, exchanging a frown with Doctor Eckleburg”