Results 1 to 10 of about 265,925 (201)
Optic nerve head segmentation [PDF]
Reliable and efficient optic disk localization and segmentation are important tasks in automated retinal screening. General-purpose edge detection algorithms often fail to segment the optic disk due to fuzzy boundaries, inconsistent image contrast or ...
Basu, A. +6 more
core +5 more sources
Behaviour of Disc Oedema During and After Amiodarone Optic Neuropathy: Case Report [PDF]
A 73-year-old woman with atrial fibrillation treated with Amiodarone presented with Optic Disc oedema in right eye (OD). Using Optical Coherence Tomography (OCT) we describe the impact of this neuropathy on Retinal Nerve Fibre Layer (RNFL). At diagnosis
Med. Alejandro Martínez-López-Portillo +4 more
doaj +1 more source
Abstract Objectives To describe the diagnostic and management features of optic nerve gliomas. Design Literature review. Results Optic nerve gliomas are generally benign in the pediatric age group although they are usually malignant and aggressive in adults. As such, the mechanisms by which these lesions are diagnosed, the
Edward J, Wladis +2 more
openaire +3 more sources
Two-year outcomes of ab interno trabeculectomy with the Trabectome for Chinese primary open angle glaucoma: a retrospective multicenter study [PDF]
AIM: To evaluate the 2-year efficacy and safety of ab interno trabeculectomy with the Trabectome in Chinese primary open angle glaucoma (POAG) patients. METHODS: This was a multicenter, retrospective, observational study and included POAG patients with ...
Ya-Long Dang +7 more
doaj +1 more source
Bilateral calcification of the optic nerve sheath: A diagnostic dilemma
Purpose: To present a case of symptomatic optic nerve sheath calcification and highlight clues and pitfalls for the final diagnosis: bilateral optic nerve sheath meningioma.
Yngvil Solheim Husum +6 more
doaj +1 more source
Response to. comment on optic nerve sheath diameter ultrasound evaluation in intensive care unit: possible role and clinical aspects in neurological critical patients' daily monitoring [PDF]
Comment on "Optic Nerve Sheath Diameter Ultrasound Evaluation in Intensive Care Unit: Possible Role and Clinical Aspects in Neurological Critical Patients' Daily Monitoring"
Di Piero, V +6 more
core +7 more sources
ObjectiveThe aim was to study whether the computed tomography (CT) density and β-amyloid (Aβ) level of intraorbital optic nerve could assist in diagnosing mild cognitive impairment (MCI) and Alzheimer’s disease (AD).MethodsA total of sixty subjects were ...
Han Wu +16 more
doaj +1 more source
Optic nerve hemangioblastoma is a very rare benign tumor with only 39 reported cases by now. It appears to be hyperintense on T2-weighted images with a significant enhancement on contrast scans, which are similar to glioma and meningioma. Due to the lack
Meihan Duan +5 more
doaj +1 more source
Optic never fibers in the visual pathway play significant roles in vision formation. Damages of optic nerve fibers are biomarkers for the diagnosis of various ophthalmological and neurological diseases; also, there is a need to prevent the optic nerve ...
Richu Jin +11 more
doaj +1 more source
A Jones matrix formalism for simulating three-dimensional polarized light imaging of brain tissue [PDF]
The neuroimaging technique three-dimensional polarized light imaging (3D-PLI) provides a high-resolution reconstruction of nerve fibres in human post-mortem brains.
Amunts, Katrin +5 more
core +10 more sources

