optic disk


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Related to optic disk: optic cup, fovea
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  • noun

Synonyms for optic disk

the point where the optic nerve enters the retina

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References in periodicals archive ?
Our previous study has shown that another polymorphism rs1900004 in ATOH7, also reported to be strongly associated with optic disk parameters and POAG [6, 9], was not associated with POAG in a small number of Saudi patients that we investigated [14].
As related to data set [20] results, the computing entropies for candidate patch that is closer to optic disk area are more significant than other patches in image; this is true for all the images (35 images) as shown in Figure 8.
Kamat, "Locating the optic disk in retinal images via plausible detection and constraint satisfaction," in Proceedings of the 2004 International Conference on Image Processing, ICIP 2004, pp.
Kolb et al., "Intrapapillary proliferation in optic disk pits: clinical findings and time-related changes," Retina, vol.
"Optic Disk and Cup Segmentation from Monocular Colour Retinal Images for Glaucoma Assessment" - IEEE TRANSACTIONS ON MEDICAL IMAGING.
We designed an Es-based search method to determine the coordinates of the optic disk (OD) in retinal images.
In ophthalmic image processing research area, for qualifying the retina lesions, the Optic Disk (OD) detection is important because the major retinopathologies (e.g., exudates and/or drusen) and other abnormalities (based on the hypertensive retinopathy, and the cottonwool spots) frequently appear in color fundus (i.e., retina) images as clusters of regions with their size and pixel intensities comparable to the OD [1, 2].
Objective: To identify if anisometropic amblyopia is associated with changes in optic disk morphology.
Objectively on a opthalmologic examination, this destruction is seen as a shrinking of the optic disk. Subjectively, a person may note halos around objects, have changes in color perception, have blurred vision, and a loss of vision.
Blood vessels and nerve bundles gather together and exit the eye at the optic disk.
After 3 months there was further improvement to 20/40, but the right optic disk remained pale, the pupil did not react to light, and the boy's color perception remained poor, they reported.
The decision to use visual field testing usually is based on the appearance of the optic disk during the eye examination.
Nasopharyngeal transsphenoidal encephalocele, crater-like hole in the optic disk, and agenesis of the corpus callosum.