Definition of optic disk in English:

optic disk

Syllabification: op·tic disk

noun

(also optic disc) Anatomy
  • The raised disk 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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