English to English

verb (v)

• become glassy; lose clear vision(verb.perception)

  Synonym:
  blur, film over
  

  source: wordnet30
• become glassy or take on a glass-like appearance(verb.change)

  Example:
  Her eyes glaze over when she is bored.
  

  Synonym:
  glass, glass over, glaze
  

  source: wordnet30