
Fred became interested in optics and ophthalmology and he met Robert Lockhart, Professor of Anatomy at Birmingham University, beginning a life-long friendship.
In 1933 Fred wrote a paper titled ‘Directional Fixity and the Transitory Visual Impression or Fleeting Image’ . He continued to write to Professor Lockhart and exchange ideas on subjects like the ‘blind-spot’ and blending of colour in the eye.