Results 71 to 80 of about 19,832 (291)

Optic nerve head topography and retinal structural changes in eyes with macrodisks: a comparative study with spectral domain optical coherence tomography

Clinical Ophthalmology, 2016
Zeynep Kayaarasi Öztürker, Kadir Eltutar, Belma Karini, Sezin Özdogan Erkul, Özen Ayrancı Osmanbaşoğlu, Pınar Sultan Ophthalmology Department, Istanbul Research and Training Hospital, Istanbul, Turkey Purpose: To compare optic nerve
Ozturker ZK, Eltutar K, Karini B, Erkul SO, Osmanbasoglu OA, Sultan P   +5 more
doaj  

FEATURE EXTRACTION OF RETINAL IMAGE FOR DIAGNOSIS OF ABNORMAL EYES [PDF]

ICTACT Journal on Image and Video Processing, 2011
Currently, medical image processing draws intense interests of scien- tists and physicians to aid in clinical diagnosis. The retinal Fundus image is widely used in the diagnosis and treatment of various eye diseases such as Diabetic Retinopathy, glaucoma
S. Praveenkumar
doaj  

Exploiting Two‐Photon Lithography, Deposition, and Processing to Realize Complex 3D Magnetic Nanostructures

Advanced Functional Materials, EarlyView.
Two‐photon lithography (TPL) enables 3D magnetic nanostructures with unmatched freedom in geometry and material choice. Advances in voxel control, deposition, and functionalization open pathways to artificial spin ices, racetracks, microrobots, and a number of additional technological applications.
Joseph Askey, Arjen van den Berg, Sandra Ruiz Gomez, Claire Donnelly, Dirk Grundler, Sam Ladak   +5 more
wiley   +1 more source

Ocular ultrasound findings in optic disk melanocytoma

Revista Mexicana de Oftalmología, 2017
Purpose: To describe the echographic characteristics of optic disk melanocytoma using a high resolution 10–20 MHz ophthalmic ultrasound. Methods: We conducted a 10-year retrospective review finding 9 cases with optic disk melanocytoma.
Andrés Lisker-Cervantes, David Arturo Ancona-Lezama, Luis Javier Arroyo-Garza, Jaime D. Martinez, Roberta Gomez Diaz Barreiro, Victor Daniel Valdepeña-López-Velarde, Virgilio Morales-Canton, Eduardo Moragrega-Adame   +7 more
doaj   +1 more source

Harmonizing the Pyrene and Ether Groups in Covalent Triazine Polymers for Highly Effective H2O2 Photosynthesis via One‐Step Two‐Electron Oxygen Reduction

Advanced Functional Materials, EarlyView.
The pyrene and ether groups are incorporated into the covalent triazine polymer (CTP) structure. The synergistic effect of the two functional groups endows CTP with better electron transfer, light absorption, and oxygen activation properties. An impressive apparent quantum yield (13.2% @420 nm) and a remarkable solar‐to‐chemical conversion efficiency ...
Chong Wang, Jinliang Lv, Yichun Lu, Hanfeng Ye, Xuan Zhang, Leonardo Cancellara, Nadezda Tarakina, Jiande Lin, Xin Gao, Oleksandr Savateev, Jiajia Cheng   +10 more
wiley   +1 more source

Two‐Dimensional Materials as a Multiproperty Sensing Platform

Advanced Functional Materials, EarlyView.
Various sensing modalities enabled and/or enhanced by two‐dimensional (2D) materials are reviewed. The domains considered for sensing include: 1) optoelectronics, 2) quantum defects, 3) scanning probe microscopy, 4) nanomechanics, and 5) bio‐ and chemosensing.
Dipankar Jana, Shubhrasish Mukherjee, Dmitrii Litvinov, Magdalena Grzeszczyk, Sergey Grebenchuk, Makars Šiškins, Virgil Gavriliuc, Yihang Ouyang, Changyi Chen, Yuxuan Ye, Meng Yiming, Maciej Koperski   +11 more
wiley   +1 more source

OPTIC DISK COLOBOMA AND CONTRALATERAL OPTIC DISK PIT MACULOPATHY TREATED BY VITRECTOMY IN A PATIENT WITH NOONAN SYNDROME WITH MULTIPLE LENTIGINES. [PDF]

Retin Cases Brief Rep, 2023
Van den Heurck JJ, Boven KB, Claes CC.
europepmc   +1 more source

Unprecedented Spin‐Lifetime of Itinerant Electrons in Natural Graphite Crystals

Advanced Functional Materials, EarlyView.
Graphite exhibits extraordinary spintronic potential, with electron spin lifetimes reaching 1,000 ns at room temperature ‐ over 100 times longer than graphene‐based devices. Magnetic resonance spectroscopy reveals strong anisotropy: out‐of‐plane spins live 50 times longer than their in‐plane counterparts.
Bence G. Márkus, Dávid Beke, Lili Vajtai, András Jánossy, László Forró, Ferenc Simon   +5 more
wiley   +1 more source

Bevacizumab for the treatment of a complicated posterior melanocytoma

Clinical Ophthalmology, 2015
Julio A Urrets-Zavalia,* Nicolas Crim,* Evangelina Esposito, Leandro Correa, M Eugenia Gonzalez-Castellanos, Dana MartinezDepartment of Ophthalmology, University Clinic Reina Fabiola, Universidad Catolica de Cordoba, Cordoba, Argentina*These authors ...
Urrets-Zavalia JA, Crim N, Esposito E, Correa L, Gonzalez-Castellanos ME, Martinez D   +5 more
doaj  

Comparative of OCT and OCTA parameters in patients with early chronic angle-closure glaucoma and early pituitary adenoma

Scientific Reports
Optical coherence tomography (OCT) and optical coherence tomography angiography (OCTA) have the potential application in evaluating pathological structural change of the optic nerve.
Zhi Tan, Kai-lun Lu, Wan-cheng Zhang, Shu-ying Peng, Xiu-juan Wen, Tong-tong Dai, Yan-hua Pang   +6 more
doaj   +1 more source