Bowie’s one pupil is blown out because someone threw a blow pop sucker at him during a concert and the stick stabbed into his eye, directly into his pupil. He’s such a badass he just pulled it out of his face and continued his set.
False, his pupil is permanently dilated because he got in a teenage scuff with his friend George over a girl and George popped him in the eye with his ring. He had surgery but in the end his pupil was permanently dilated and his vision has a permanent brown tint.
But he did get hit in the eye with a sucker at a concert.
Cutting off hair in ancient Asia (Japan, china, Korea & possibly some other Asian cultures) symbolizes being banished or rejected from their home. In the more modern age that is now, cutting long hair into a short cut means to forget the past, leaving the old and starting anew.