OPTIC DISC

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does optic disc mean? 

• OPTIC DISC (noun)
  The noun OPTIC DISC has 1 sense:

1. the point where the optic nerve enters the retina; not sensitive to light

  Familiarity information: OPTIC DISC used as a noun is very rare.

 Dictionary entry details 

• OPTIC DISC (noun)

Sense 1

Meaning:

The point where the optic nerve enters the retina; not sensitive to light

Classified under:

Nouns denoting body parts

Synonyms:

blind spot; optic disc; optic disk

Hypernyms ("optic disc" is a kind of...):

point (the precise location of something; a spatially limited location)

Holonyms ("optic disc" is a part of...):

retina (the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve)

 Context examples 

A disorder characterized by swelling around the optic disc.

(Papilledema, NCI Thesaurus/CTCAE)

Swelling around the optic disc, usually due to increased intracranial pressure or pressure on the optic nerve by a tumor.

(Papilledema, NCI Thesaurus)

Clinical manifestations include decreased visual acuity; EXOPHTHALMOS; NYSTAGMUS; STRABISMUS; pallor or swelling of the optic disc; and INTRACRANIAL HYPERTENSION.

(Optic Nerve Glioma, NLM, Medical Subject Headings)

Benign and malignant neoplasms which arise from or metastasize to the optic or second cranial nerve which extends from the optic disc of the eye and joins the optic chiasm.

(Optic Nerve Neoplasm, NCI Thesaurus)

Since retinal vascular development proceeds from the optic nerve to the ora serrata, the zones are centered on the optic disc rather than the macula.

(Immature Retinal Vasculature, NICHD)

Zone I is a circle, the radius of which extends from the center of the optic disc to twice the distance from the center of the optic disc to the center of the macula.

(Immature Retinal Vasculature in Zone 1, NICHD)