Results 11 to 20 of about 1,825,190 (283)

Digital Ocular Fundus Imaging: A Review [PDF]

open access: yesOphthalmologica, 2011
Ocular fundus imaging plays a key role in monitoring the health status of the human eye. Currently, a large number of imaging modalities allow the assessment and/or quantification of ocular changes from a healthy status. This review focuses on the main digital fundus imaging modality, color fundus photography, with a brief overview of complementary ...
Bernardes, R, Serranho, P, Lobo, C
openaire   +5 more sources

Imaging of the human fundus in the clinical setting:past present and future [PDF]

open access: yes, 2013
The human fundus is a complex structure that can be easily visualized and the world of ophthalmology is going through a golden era of new and exciting fundus imaging techniques; recent advances in technology have allowed a significant improvement in the ...
Gibson, Jonathan, Calcagni, Antonio
core   +8 more sources

Spotlight on fundus autofluorescence

open access: yesClinical Optometry, 2018
Ana M Calvo-Maroto,1 Alejandro Cerviño2 1Department of Ophthalmology, Clínica Universidad de Navarra, University of Navarra, Madrid, Spain; 2Optometry Research Group, Department of Optics and Optometry and Vision Sciences, University of ...
Calvo-Maroto AM, Cerviño A
doaj   +1 more source

Unconventional techniques of fundus imaging: A review

open access: yesIndian Journal of Ophthalmology, 2015
The methods of fundus examination include direct and indirect ophthalmoscopy and imaging with a fundus camera are an essential part of ophthalmic practice.
Mahesh P Shanmugam   +3 more
doaj   +2 more sources

Vessel identification in diabetic retinopathy [PDF]

open access: yes
Diabetic retinopathy is the single largest cause of sight loss and blindness in 18 to 65 year olds. Screening programs for the estimated one to six per- cent of the diabetic population have been demonstrated to be cost and sight saving, howeverthere are ...
Teng, Thomas Bart
core   +9 more sources

Rapid classification of glaucomatous fundus images [PDF]

open access: yesJournal of the Optical Society of America A, 2021
We propose a new method for training convolutional neural networks (CNNs) and use it to classify glaucoma from fundus images. This method integrates reinforcement learning along with supervised learning and uses it for transfer learning. The training method uses hill climbing techniques via two different climber types, namely, “random movement” and ...
Hardit Singh   +2 more
openaire   +4 more sources

A Novel Device for Smartphone-Based Fundus Imaging and Documentation in Clinical Practice: Comparative Image Analysis Study

open access: yesJMIR mHealth and uHealth, 2020
BackgroundSmartphone-based fundus imaging allows for mobile and inexpensive fundus examination with the potential to revolutionize eye care, particularly in lower-resource settings.
Wintergerst, Maximilian W M   +3 more
doaj   +1 more source

Ultra-wide field retinal imaging: A wider clinical perspective

open access: yesIndian Journal of Ophthalmology, 2021
The peripheral retina is affected in a variety of retinal disorders. Traditional fundus cameras capture only a part of the fundus even when montaging techniques are used.
Vinod Kumar   +9 more
doaj   +1 more source

Multimodal Imaging of Reticular Pseudodrusen in Turkish Patients

open access: yesTürk Oftalmoloji Dergisi, 2023
Objectives:To investigate the presence and prevalence of reticular pseudodrusen (RPD) in patients with age-related macular degeneration using multiple imaging modalities and to compare the sensitivity and specificity of these modalities in the detection ...
Serap Bilge Çeper   +5 more
doaj   +1 more source

Depth perception on fundus images using a single-channel stereomicroscopy

open access: yesJournal of Innovative Optical Health Sciences, 2021
Typical fundus photography produces a two-dimensional image. This makes it difficult to observe the microvascular and neural abnormalities, because the depth of the image is missing. To provide depth appreciation, we develop a single-channel stereoscopic
Edalat Radfar   +4 more
doaj   +1 more source

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