optic_disk
1. [ noun ] (ophthalmology) the point where the optic nerve enters the retina; not sensitive to light
Synonyms: optic_disc blind_spot
Related terms: point retina
Similar spelling:   optical_disk
  optic_disc
  optic_axis
  optical_disc
  optical_prism
  optician
  ophidism
  optical_lens
  optical_fibre
  optical_fiber
  optic_cup