- Disc, optic
- The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also called the optic nerve head.
Medical dictionary. 2011.
Look at other dictionaries:
Optic disc drusen — Classification and external resources ICD 10 H47.3 ICD 9 377.21 … Wikipedia
Optic disc — Interior of posterior half of bulb of left eye. The veins are darker in appearance than the arteries … Wikipedia
Optic neuropathy — Classification and external resources ICD 10 H46 The optic nerve contains axons of nerve cells that emerge from the retina, leave the eye at the optic disc, and go to the visual cortex where input from the eye is processed into vision. There are… … Wikipedia
Optic nerve hypoplasia — Classification and external resources ICD 10 Q07.81 ICD 9 377.43, 743.57 … Wikipedia
Optic neuritis — Classification and external resources ICD 10 H46, G44.848 ICD 9 377.30 … Wikipedia
Optic cup (anatomical) — The optic cup is the white, cup like area in the center of the optic disc. The ratio of the size of the optic cup to the optic disc (or cup to disc ratio) is measured to diagnose glaucoma. References ^ Algazi VR, Keltner JL, Johnson CA… … Wikipedia
optic papilla — n a slight elevation that is nearly coextensive with the optic disk and is produced by the thick bundles of the fibers of the optic nerve in entering the eyeball * * * see optic disc * * * discus nervi optici … Medical dictionary
optic disc — optic papilla the start of the optic nerve, where nerve fibres from the rods and cones leave the eyeball. See: blind spot … The new mediacal dictionary
optic papilla — optic disc … The new mediacal dictionary
Optic disc pit — An optic disc pit is a congenital excavation (or regional depression) of the optic nerve head resulting from a malformation during development of the eye. Optic pits are important because they are associated with posterior vitreous detachments… … Wikipedia