retinal : Idioms & Phrases


retinal cone

  • noun a visual receptor cell in the retina that is sensitive to bright light and to color
    cone cell; cone.
WordNet

retinal detachment

  • noun visual impairment resulting from the retina becoming separated from the choroid in the back of the eye; treated by photocoagulation
    detached retina; detachment of the retina.
WordNet

Retinal purple

  • noun a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
    visual purple; rhodopsin.
WordNet
  • (Physiol. Chem.), the visual purple.
Webster 1913

retinal rod

  • noun a visual receptor cell that is sensitive to dim light
    rod cell; rod.
WordNet

retinal scanning

  • noun biometric identification by scanning the retina of the eye
    • identification by retinal scanning is complicated by eye movements
WordNet