Results 271 to 280 of about 727,698 (345)
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PSEUDODUPLICATION OF THE OPTIC DISK
RETINAL Cases & Brief Reports, 2011The purpose of this study was to report a case of a chorioretinal coloboma mimicking a second optic disk in an asymptomatic 12-year-old boy.This is a case report.An asymptomatic 12-year-old boy presented with a chorioretinal coloboma of the right eye giving the impression of a second optic disk.
Michael W. Gaynon +2 more
openaire +3 more sources
Optical Disk Cluster Drive and Its Optical Filler Disk [PDF]
Japanese Journal of Applied Physics, 1999 Optical memory has the advantage of large capacity, media removability and high reliability. However, when it is used in such systems as a home server, video on demand or network server, the data transfer rate is too low. Use of an optical cluster drive is one of the promising methods of increasing the data transfer rate.
Kyosuke Yoshimoto +3 more
openaire +1 more source
Automatic Optic Disk and Cup Segmentation of Fundus Images Using Deep Learning
International Conference on Information Photonics, 2018Automatic segmentation of optic disk (OD) and cup regions in fundus images is essential in deriving clinical parameters, such as, cup-to-disk ratio (CDR), to assist glaucoma diagnosis.
Venkata Gopal Edupuganti +2 more
semanticscholar +1 more source
Retina, 2019
PURPOSE To report a cohort with optic disk pit maculopathy (ODPM) presenting with neurosensory macular detachment that were initially misdiagnosed and mistreated; and to describe structural features on spectral domain optical coherence tomography in ...
Matias Iglicki +14 more
semanticscholar +1 more source
PURPOSE To report a cohort with optic disk pit maculopathy (ODPM) presenting with neurosensory macular detachment that were initially misdiagnosed and mistreated; and to describe structural features on spectral domain optical coherence tomography in ...
Matias Iglicki +14 more
semanticscholar +1 more source
Survey of Ophthalmology, 2010
Tilted optic disks are a common finding in the general population. An expression of anomalous human development, the tilted disk appears rotated and tilted along its axes. Visual sequelae described with tilted optic disks include myopia, astigmatism, visual field loss, deficient color vision, and retinal abnormalities.
Matthew T. Witmer +2 more
openaire +3 more sources
Tilted optic disks are a common finding in the general population. An expression of anomalous human development, the tilted disk appears rotated and tilted along its axes. Visual sequelae described with tilted optic disks include myopia, astigmatism, visual field loss, deficient color vision, and retinal abnormalities.
Matthew T. Witmer +2 more
openaire +3 more sources
Melanocytomas of the optic disk
American Journal of Ophthalmology, 2004To evaluate the various forms of clinical presentation, the potential of growth, the risk of functional loss and the possibility of malignant transformation of optic disk melanocytomas in European patients.Retrospective observational case control study.Evaluation of 37 cases of optic disk melanocytomas identified in the computer files of the ocular ...
Sylvie Uffer +5 more
openaire +3 more sources
Survey of Ophthalmology, 2002
Optic disk drusen occur in 3.4 to 24 per 1,000 population and are bilateral in approximately 75%. Disturbance in the axonal metabolism in the presence of a small scleral canal--regardless of eyelength--is considered responsible for the development. The drusen increase in size, becoming more visible with age due to continuing calcium apposition, and ...
Auw-Hädrich, Claudia +2 more
openaire +4 more sources
Optic disk drusen occur in 3.4 to 24 per 1,000 population and are bilateral in approximately 75%. Disturbance in the axonal metabolism in the presence of a small scleral canal--regardless of eyelength--is considered responsible for the development. The drusen increase in size, becoming more visible with age due to continuing calcium apposition, and ...
Auw-Hädrich, Claudia +2 more
openaire +4 more sources
American Journal of Ophthalmology, 1978
A 74-year-old woman had a saccular dilatation, presumably of the central retinal vein, on the optic nerve head. The lesion caused no symptoms, and over a four-month period showed (vidence of thrombosis and stagnation within it. The lesion caused no interference with either the arterial or venous circulation of the retina.
Leonard Joffe +3 more
openaire +3 more sources
A 74-year-old woman had a saccular dilatation, presumably of the central retinal vein, on the optic nerve head. The lesion caused no symptoms, and over a four-month period showed (vidence of thrombosis and stagnation within it. The lesion caused no interference with either the arterial or venous circulation of the retina.
Leonard Joffe +3 more
openaire +3 more sources
Retinal cases & brief reports, 2019
Optic disk pits are congenital excavations of the optic disk that may result in maculopathy and poor vision. Optical coherence tomography angiography identifies significant differences in capillary perfusion density between optic disk pit eyes and ...
Shangjun Jiang, B. Turco, N. Choudhry
semanticscholar +1 more source
Optic disk pits are congenital excavations of the optic disk that may result in maculopathy and poor vision. Optical coherence tomography angiography identifies significant differences in capillary perfusion density between optic disk pit eyes and ...
Shangjun Jiang, B. Turco, N. Choudhry
semanticscholar +1 more source
Retinal cases & brief reports, 2018
PURPOSE To analyze morphologic and functional changes after inverted internal limiting membrane-flap technique for optic disk pit maculopathy using optical coherence tomography, multifocal electroretinography, and microperimetry.
G. Sborgia +6 more
semanticscholar +1 more source
PURPOSE To analyze morphologic and functional changes after inverted internal limiting membrane-flap technique for optic disk pit maculopathy using optical coherence tomography, multifocal electroretinography, and microperimetry.
G. Sborgia +6 more
semanticscholar +1 more source