Results 11 to 20 of about 59,002 (265)

Pseudoduplication of the optic disc initially resembling a bifurcated optic nerve in a strabismus child: a case report

open access: yesBMC Ophthalmology, 2020
Background Pseudoduplication of the optic disc is a rare clinical condition that is characterized by a circumscribed, disc-like lesion with radiating vessels but only one normal optic nerve.
Liuhui Huang   +3 more
doaj   +1 more source

Automatic Optic Disc Center and Boundary Detection in Color Fundus Images [PDF]

open access: yesJournal of Artificial Intelligence and Data Mining, 2018
Accurately detection of retinal landmarks, like optic disc, is an important step in the computer aided diagnosis frameworks. This paper presents an efficient method for automatic detection of the optic disc’s center and estimating its boundary.
F. Abdali-Mohammadi, A. Poorshamam
doaj   +1 more source

Joint optic disc and cup segmentation based on densely connected depthwise separable convolution deep network

open access: yesBMC Medical Imaging, 2021
Background Glaucoma is an eye disease that causes vision loss and even blindness. The cup to disc ratio (CDR) is an important indicator for glaucoma screening and diagnosis. Accurate segmentation for the optic disc and cup helps obtain CDR. Although many
Bingyan Liu, Daru Pan, Hui Song
doaj   +1 more source

Differentiation of glaucomatous optic discs with different appearances using optic disc topography parameters: The Glaucoma Stereo Analysis Study.

open access: yesPLoS ONE, 2017
The Glaucoma Stereo Analysis Study (GSAS) is a multicenter collaborative study of the characteristics of glaucomatous optic disc morphology using a stereo fundus camera.
Masaki Tanito   +6 more
doaj   +1 more source

Comparative study on optic disc features of premature infants and full‐term newborns

open access: yesBMC Ophthalmology, 2021
Background To study optic disc features of premature infants and compare to that of term infants to explore the pattern and features of newborn optic disc development and provide the basis for the diagnosis of newborn optic disc disease. Methods This was
Xiaofen Feng   +5 more
doaj   +1 more source

Retina image–based optic disc segmentation

open access: yesAdvances in Mechanical Engineering, 2016
The change of optic disc can be used to diagnose many eye diseases, such as glaucoma, diabetic retinopathy and macular degeneration. Moreover, retinal blood vessel pattern is unique for human beings even for identical twins. It is a highly stable pattern
Ching-Lin Wang   +6 more
doaj   +1 more source

Bilateral disc drusen in a diabetic patient simulating diabetic papillopathy as a cause of disc edema

open access: yesIndian Journal of Ophthalmology, 2017
Bilateral optic disc edema in a diabetic patient may be caused by diabetic papillopathy. We herein report on a patient with bilateral optic disc drusen simulating diabetic papillopathy.
Rohan Chawla   +4 more
doaj   +1 more source

MENINGOCOELE OF THE OPTIC DISC [PDF]

open access: yesBritish Journal of Ophthalmology, 1960
A fit young man aged 26 was examined on June 13, 1959, to assess his suitability for service with the Royal Air Force. He was an experienced pilot with a total of 250 hours flying experience in all types of aircraft, including jets. No abnormality had been detected in any system at a previous examination. Examination.-Visual acuity in the right eye was
openaire   +2 more sources

Optical coherence tomography in the evaluation of disc edema

open access: yesKerala Journal of Ophthalmology, 2019
Optic disc oedema is a common clinical problem where the ophthalmologist plays an important role in the diagnosis, management. Many optic nerve diseases can cause disc oedema like papilloedema, papillitis, anterior ischaemic optic neuropathy, central ...
Deepa Gaur, H Vijaya Pai
doaj   +1 more source

Influence factors of visual impairment and recovery in patients with central retinal vein occlusion complicated with macular edema: a single-center single-arm interventional study [PDF]

open access: yesXin yixue
Objective To explore the influence factors of visual impairment and recovery in patients with central retinal vein occlusion (CRVO) complicated with macular edema (ME). Methods One hundred patients who were initially diagnosed with CRVO-ME and phlegm and
LI Xuan, XIE Like, LUO Jinhua, HAO Xiaofeng
doaj   +1 more source

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