repression vs tunnel vision

repression

noun
  • The involuntary rejection from consciousness of painful or disagreeable ideas, memories, feelings, or impulses. 

  • The act of repressing; state of being repressed. 

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 repression and tunnel vision occurred in a corpus of books? (source: Google Ngram Viewer )