distraction vs tunnel vision

distraction

noun
  • The process of being distracted. 

  • Perturbation; disorder; disturbance; confusion. 

  • Something that distracts. 

  • Mental disarray; a deranged state of mind; insanity. 

tunnel vision

noun
  • The tendency to focus one's attention on one specific idea or viewpoint, to the exclusion of everything else. 

  • A restricted field of vision as the result of looking through some type of object or a medical condition. 

How often have the words distraction and tunnel vision occurred in a corpus of books? (source: Google Ngram Viewer )