optic disk


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Related to optic disk: optic cup, fovea

optic disk

[′äp·tik ‚disk]
(neuroscience)
The circular area in the retina that is the site of the convergence of fibers from the ganglion cells of the retina to form the optic nerve.
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References in periodicals archive ?
Researchers have focused on localization of optic disk using a computer, so more methods have been suggested with good results.
Localizing Optic Disc in Retinal Image Automatically with Entropy Based Algorithm
Agurto et al., "Fast localization and segmentation of optic disk in retinal images using directional matched filtering and level sets," IEEE Transactions on Information Technology in Biomedicine, vol.
Automatic Optic Disc Detection in Color Retinal Images by Local Feature Spectrum Analysis
Xiaohui Liu- "Segmentation of the Blood Vessels and Optic Disk in Retinal Images"- IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS, 18: 6.
A comprehensive of symptoms of retinal disease and its segmentation: survey
Localization methods are based on two physiological characteristics of the optic disk. First, due to its organic composition, the region in which the OD is located corresponds to the brightest components [15].
Estrategia evolutiva basada en GPU para la deteccion del disco optico en imagenes de retina
Hemorrhagic complications of drusen of the optic disk. Am J Ophthalmol 1971; 71: 204-17.
Retinal hemorrhages as one of complications of optic disc Drusen during pregnancy/Retinalna hemoragija kao komplikacija druza optickog diska u trudnoci
Nandi, "Automated localisation of retinal optic disk using Hough transform", In Proc.
An Automatic Optic Disk Detection and Segmentation System using Multi-level Thresholding
Conclusion: The optic disk does not appear to be the site of morphological changes in amblyopia.
Analysis of retinal nerve fibre layer changes in anisometropic amblyopia by Heidelberg retina tomograph
PonniBala detected exudates from the fundus image by thresholding and removal of optic disk using connected components analysis.
Computerized Exudate Detection in Fundus Images Using Statistical Feature based Fuzzy C-mean Clustering
These blue arcs follow the paths of the nerves arcing away from the edge of the fovea (where the spot of light is focused) to the optic disk and were first described by Purkinje (1825).
Exploring the anatomy of your own eye
Most individuals with suspicious-appearing optic disks but normal visual fields are considered "glaucoma suspects." Only those in which we can detect or document a change in the optic disk do we call pre-perimetric glaucoma.
Don't be blind-sighted by glaucoma: with early detection and treatment, you can often protect your eyes against the profound and permanent vision loss from glaucoma
Monthly examinations of the rats revealed cupping of the optic disk at the back of the untreated eyes with glaucoma.
Synthetic drug slows glaucoma in rats
This paper used the automatic drusen detection method while ROI converges on circle whose radius connects from fovea to optic disk that the ophthalmologists considers important.
Automated Segmentation Methods of Drusen to Diagnose Age-Related Macular Degeneration Screening in Retinal Images

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