Results 21 to 30 of about 124 (113)

Scanning laser ophthalmoscopy retroillumination: applications and illusions

International Journal of Retina and Vitreous, 2022
Scanning laser ophthalmoscopes (SLOs) are used widely for reflectance, fluorescence or autofluorescence photography and less commonly for retroillumination imaging.
Martin A. Mainster, Thomas Desmettre, Giuseppe Querques, Patricia L. Turner, Gerardo Ledesma-Gil   +4 more
doaj   +1 more source

A Teleophthalmology Support System Based on the Visibility of Retinal Elements Using the CNNs

Sensors, 2020
This paper proposes a teleophthalmology support system in which we use algorithms of object detection and semantic segmentation, such as faster region-based CNN (FR-CNN) and SegNet, based on several CNN architectures such as: Vgg16, MobileNet, AlexNet ...
Gustavo Calderon-Auza, Cesar Carrillo-Gomez, Mariko Nakano, Karina Toscano-Medina, Hector Perez-Meana, Ana Gonzalez-H. Leon, Hugo Quiroz-Mercado   +6 more
doaj   +1 more source

A NEW OPHTHALMOSCOPE. [PDF]

The Lancet, 1899
n ...
openaire   +1 more source

A MODIFIED OPHTHALMOSCOPE. [PDF]

The Lancet, 1906
n ...
openaire   +2 more sources

The Utility of a Smartphone-Based Retinal Imaging Device as a Screening Tool in an Outpatient Clinic Setting: Protocol for an Observational Study

JMIR Research Protocols
BackgroundGlaucoma, a disease leading to the degeneration of retinal ganglion cells, results in changes to the optic nerve head that are often diagnosed late when visual problems arise.
Ajay Mittal, Victor Sanchez, Navjot Singh Azad, Yaroslav Zuyev, Rafael Robles, Mark Sherwood   +5 more
doaj   +1 more source

Smartphone Ophthalmoscopy: is there a place for it?

Clinical Ophthalmology, 2021
Amar Pujari Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences (AIIMS), New Delhi, IndiaCorrespondence: Amar Pujari Email dramarpujari@gmail.comAbstract: Smartphone technology is advancing at a rapid pace.
Pujari A
doaj  

Ocular fundus pathology and chronic kidney disease in a Chinese population

BMC Nephrology, 2011
Background Previous study indicated a high prevalence of ocular fundus pathology among patients with chronic kidney disease (CKD), while the relationship between them has never been explored in a Chinese Population.
Gao Bixia, Zhu Ling, Pan Yingzi, Yang Shuwen, Zhang Luxia, Wang Haiyan   +5 more
doaj   +1 more source

Comparison of conventional and wide field direct ophthalmoscopy on medical students’ self-confidence for fundus examination: a 1-year follow-up

BMC Medical Education, 2021
Background Fundus examination is an easy, quick and effective way to diagnose sight- and life-threatening diseases. However, medical students and physicians report lack of proficiency and self-confidence in perform fundoscopy.
Gabriel Ayub, Rafael Boava Souza, Andrelisa Marina de Albuquerque, José Paulo Cabral de Vasconcellos   +3 more
doaj   +1 more source

Overview of fundus imaging technologies

Российский офтальмологический журнал
Fundus imaging plays a crucial role in the diagnostics and monitoring of the diseases of the retina, optic nerve, and choroid. Over the past decades, fundus imaging technologies have evolved from simple ophthalmoscopes to high-precision tomographs and ...
K. D. Aksenov, L. E. Aksenova, M. A. Nefedov, A. V. Prisyazhnyuk, V. V. Myasnikova, V. A. Chudnevtsov, V. V. Denisova, V. G. Shemanin   +7 more
doaj   +1 more source

Exploring fundus‐controlled mesopic and scotopic perimetry in inherited retinal disease

Acta Ophthalmologica, EarlyView.
Abstract Purpose Microperimetry is increasingly used as an outcome measure in clinical trials for retinal disease. This study compares mesopic and scotopic microperimetry in a heterogeneous cohort of patients with inherited retinal disease to assess their suitability as clinical trial outcome measures and to determine the most appropriate testing ...
Laura J. Taylor, Amandeep S. Josan, Daniel A O Adeyoju, Isabella Farrance, Robert E. MacLaren   +4 more
wiley   +1 more source