Results 21 to 30 of about 1,311 (139)

The Disc Mantra: An Algorithm for Fundus Description

MedEdPORTAL, 2008
Introduction Students and non-ophthalmologists are intimidated by the use of the ophthalmoscope to view and describe the fundus. Ophthalmoscopy has a steep learning curve, and its practices have been marginalized due to several barriers including ...
Linda Lippa
doaj   +1 more source

Primary health eye care: Evaluation of the competence of medical students in performing fundoscopy with the direct ophthalmoscope

South African Family Practice, 2010
Background: To evaluate the skill of fifth-year medical students at the University of Cape Town in the performance of fundoscopy at the end of their ophthalmology rotation. Methods: The design was a prospective cohort study.
Johannes S. van Velden, Colin Cook, Landon Myer, Nagib du Toit   +3 more
doaj   +1 more source

Scope of optometry practice in Trinidad and Tobago: A cross‐sectional study

Health Science Reports, 2023
Background and Aim To report the scope of optometry practice in Trinidad and Tobago to identify areas that need improvement. Methods A cross‐sectional study of optometrists in Trinidad and Tobago was conducted using a validated self‐structured ...
Ngozika E. Ezinne, Michael A. Kwarteng, Selassie Tagoh, Kingsley K. Ekemiri, Grace Ogbonna   +4 more
doaj   +1 more source

Application of digital micromirror devices (DMD) in biomedical instruments

Journal of Innovative Optical Health Sciences, 2020
There is an ongoing technological revolution in the field of biomedical instruments. Consequently, high performance healthcare devices have led to remarkable economic developments in the medical hardware industry.
Ziyun Zhuang, Ho Pui Ho
doaj   +1 more source

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

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

The role of neuron specific enolase for endocrine ophthalmopathy and the formation of optic neuropathy

Клиническая и экспериментальная тиреоидология, 2016
Aim. The aim of this work was to study the role of the neuron specific enolase during the endocrine ophthalmopathy and the formation of optic neuropathy. Materials and methods. The study 42 patients with EOC at the age of 41 (30; 47) years.
Vladimir Vyacheslavovich Charinzev, Dmitriy Mikhaylovich Serkin, Olga Vladimirovna Serebryakova, Svetlana Vladimirovna Kharintseva, Olga Mikhaylovna Yanchenko   +4 more
doaj   +1 more source

GHRHR Deficiency Enhances Retinal Ganglion Cell Survival and Visual Functions in Experimental Glaucoma by Inhibiting Ferroptosis

Advanced Science, EarlyView.
Glaucoma, a major cause of blindness, involves retinal ganglion cell (RGC) degeneration. This study shows growth hormone‐releasing hormone receptor (GHRHR) deficiency preserves RGC survival and restores vision, unlike activation which only aids survival.
Yan Tong, Ming Ho Yam, Jiaxin Zhang, Lin Du, Linbin Zhou, Yolanda Wong Ying Yip, Bo Man Ho, Hemlata Bisnauthsing, Jiahui Li, Ivan Kong, Shushu Xu, Changzhen Fu, Karl K.H. So, Joaquim S.L. Vong, Ling‐Ping Cen, Ming‐Ming Yang, Khazeema Yousaf, Mai Har Sham, Sun On Chan, Poemen P. Chan, Chi Pui Pang, Clement C. Tham, Jing Na He, Jian Li, Wai Kit Chu   +24 more
wiley   +1 more source