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 grammarian
Pronunciation: grəˈme(ə)rēən
noun
a person who studies and writes about grammar