Results 31 to 40 of about 1,560 (185)

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 MODIFIED OPHTHALMOSCOPE. [PDF]

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

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

Optical Incoherence Tomography: a method to generate tomographic retinal cross-sections with non-interferometric adaptive optics ophthalmoscopes

, 2020
International audienceWe present Optical Incoherence Tomography (OIT): a completely digital method to generate tomographic retinal cross-sections from en-face through-focus image stacks acquired by non-interferometric imaging systems, such as en-face ...
Meimon, Serge, Grieve, Kate, Mecê, Pedro, Paques, Michel, Gofas-Salas, Elena   +4 more
core   +1 more source

, to conventional direct ophthalmoscopes

, 2007
Despite the current popularity of binocular indirect ophthalmoscopy, direct ophthalmoscopes are still commonly used by clinicians for fundus examination.
Keri Davies, Davies, Keri, Harle, Deacon E., Syma Hussain, Panesar, Tejinder K., Cowling, Susan, Susan Cowling, Bourton, Jonathan, Deacon E. Harle, Shah, Rakhee, Jonathan Bourton, Rakhee Shah, Evans, Bruce J. W., Tejinder K. Panesar, Hussain, Syma, Bruce J. W. Evans   +15 more
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Comparison of two ophthalmoscopes for direct ophthalmoscopy.

, 2010
Background: To measure the ease of use and performance of the Optyse(TM) Lens Free Ophthalmoscope compared to the standard Keeler Pocket Ophthalmoscope, and to assess its suitability as an inexpensive ophthalmoscope for medical students.
Roger Holder, Holder, Roger, Alastair K Denniston, Mandal, N, Denniston, Alastair; id_orcid, Philip Harborne, Nikki Salmon, Sarah Bradley, Philip I Murray, Bradley, S, Harborne, P, Niraj Mandal, Murray, Philip; id_orcid, Salmon, N   +13 more
core   +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  

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
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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
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