optic disk


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Related to optic disk: optic cup, fovea

optic disk

n. Anatomy
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.optic disk - the point where the optic nerve enters the retinaoptic disk - 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"
References in periodicals archive ?
Galvez-Ruiz A, Elkhamary SM, Asghar N, Bosley TM.Cupping of the optic disk after methanol poisoning.
Genome-wide association studies (GWAS) have previously reported strong association between optic disk parameters and variant rs7916697 near ATOH7 in an Australian twin cohort [6], the Rotterdam study [9], and Singapore Asians [10] and very recently in Latino population [11].
Optic disk localization with this technique has been performed successfully according to its features that can be used in image analysis such as brightness, high contrast, and yellowish disk, where the blood vessels and optic nerves pass through it [2].
Weinreb, "Optic disk size and glaucoma," Survey of Ophthalmology, vol.
Optic disk risk factors for nonarteritic anterior ischemic optic neuropathy.
"Fast Localization and Segmentation of Optic Disk in Retinal Images Using Directional Matched Filtering and Level Sets" IEEE TRANSACTIONS ON INFORMATION TECHNOLOGY IN BIOMEDICINE, 16: 4.
He walks readers through optic disk size and shape; optic cup shape and depth; optic cup size in relation to the optic disc size; neuroretinal rim size, shape and perfusion; central retinal vessel trunk location; optic disc hemorrhages; parapapillary chorioretinal atrophy; retinal arteriole diameter; and retinal nerve fiber layer defects.
Bharkad, "Automatic segmentation of optic disk in retinal images," Biomedical Signal Processing and Control, vol.
A GPU-based Evolution Strategy for Optic Disk Detection in Retinal Images *