Definition of optic disc in English:

optic disc

Line breaks: optic disc

noun

Anatomy
  • The raised disc on the retina at the point of entry of the optic nerve, lacking visual receptors and so creating a blind spot.
    More example sentences
    • The optic disc marks the exit point of the retinal nerve fibres from the eye.
    • Symptoms include floaters and blurred vision caused by swelling of the optic disc and macular edema.
    • Visual acuities should be measured and the optic discs examined.

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Word of the day tortie
Pronunciation: ˈtôrtē
noun
a tortoiseshell cat

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