eye-apple vs seeing

eye-apple

noun
  • The eyeball or pupil 

  • Synonym of apple of one's eye 

seeing

noun
  • The action of the verb to see; eyesight. 

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

adj
  • Having vision; not blind. 

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

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