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.
References in periodicals archive ?
Localization methods are based on two physiological characteristics of the optic disk.
These characteristics have been used to design techniques for optic disk detection [16].
Heidelberg Retina Tomograph (HRT) has been extensively used to study the optic disk characteristics.
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).
Optic disc pit (ODP) is a rare congenital optic disk abnormality with an incidence of 1/11,000.
Comparison of functional findings with results of standardized echography of the optic nerve in optic disk drusen].
9) In our case, when the patient was referred to us almost two weeks after the electrical injury, the mild pallor appearance of the right optic disk and decreased direct light reflex were marked.
Purpose: To investigate the clinical and laboratory features of patients with traumatic optic disk pallor.