optic disc


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Related to optic disc: optic cup, macula, macula lutea

optic disc

n
(Anatomy) a small oval-shaped area on the retina marking the site of entrance into the eyeball of the optic nerve. See blind spot1
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.optic disc - the point where the optic nerve enters the retinaoptic disc - the point where the optic nerve enters the retina; not sensitive to light
retina - the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
point - the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street"
Translations
point aveugle
References in periodicals archive ?
Dilated fundus examination with funduscopic biomicroscopy with Volk Super 66 stereo fundus lens revealed prominently swollen left optic disc with a focal whitish-yellow elevated fluffy area of retinochoroiditis on the temporal margin.
Early changes include hyperemia and swelling of the optic disc leading to a papilledema like appearance.
d) Anomalous inferior retinal nerve fibre layer measurements on optic disc OCT
The ocular manifestations of anaemia are dry eye, conjunctival haemorrhage, lid haematoma, orbital haemorrhage, retinal haemorrhage, subhyaloid haemorrhage, central retinal vein occlusion, vitreous haemorrhage, optic disc oedema and optic neuropathy.
The inclusion criteria were as follows: (1) a history of sudden visual loss, without other ocular, systemic, or neurological diseases that might cause visual damage; (2) optic disc edema; and (3) optic disc-related VF defects.
It manifests as changes in the structure and colour of the optic disc. The optic disc is the portion of the optic nerve that is visible on examination of the inside of the eye.
Ten slices at 100 [micro]m distance were taken into consideration from ora serrata (level 1), optic disc (level 3), and the half distance between levels 1 and 3 (level 2) (Fig.1B).
(111213) With the widely used SD-OCT devices, the optic disc margins are estimated clinically and RNFL thickness measurements are made by accepting the 0-180[degrees] horizontal line passing through the ONH center as the horizontal meridian (Figure 1).
An eye was considered normal if it had an IOP of <21 mmHg, an optic disc with normal ophthalmoscopic appearance and normal visual field test results.
Models trained to determine the patients sex looked at the optic disc, blood vessels and macula.
The incision site was chosen on the nasal side of the optic disc, radial to the optic disc and parallel to the nerve-fiber pattern.
Mustafa Iqbal delivered lecture on Retina (Optic Disc Pit) during the three days conference concluded the other day.