seeing vs visual perception

seeing

adj
  • Having vision; not blind. 

conj
  • Inasmuch as; in view of the fact that. 

noun
  • The movement or distortion of a telescopic image as a result of turbulence in the Earth's atmosphere. 

  • The action of the verb to see; eyesight. 

visual perception

How often have the words seeing and visual perception occurred in a corpus of books? (source: Google Ngram Viewer )