Nor heeded the glance of her anxious eyes.
Line 7: "Of human beings who passed her by"
Line 8: "Nor heeded the glance of her anxious eyes."
" Of human beings who passed her by "
(People keep walking past the woman.)
" Nor heeded the glance of her anxious eyes. "
(Nobody pays attention to the worried look in her eyes.)
Overall meaning: People pass her without noticing the worried look in her eyes.