eyecup

Noun

• (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina

• a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball
  • an eyecup is called an eyebath in Britain
    

Related words

• Synonyms: 
  optic cup , eyebath , eye cup