Results 21 to 30 of about 22,632 (192)

Fundoscopy in the smartphone age: current ophthalmoscopy methods in neurology

Arquivos de Neuro-Psiquiatria, 2023
The observation of the human retina in vivo began in 1851 after the invention of the first ophthalmoscope by the German physicist Hermann von Helmholtz.
Richard Henrik Corr
doaj   +1 more source

Single-pixel imaging of the retina through scattering media [PDF]

, 2019
Imaging the retina of cataractous patients is useful to detect pathologies before the cataract surgery is performed. However, for conventional ophthalmoscopes, opacifications convert the lens into a scattering medium that may greatly deteriorate the ...
Artal, Pablo, Dutta, Rahul, Gambín-Regadera, Adrián, Irles, Esther, Lancis, Jesús, Manzanera, Silvestre, Tajahuerce, Enrique   +6 more
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Optical Design for Novel Glasses-Type 3D Wearable Ophthalmoscope

Applied Sciences, 2019
This paper proposes a new optical design that will cooperate with 3D image technology, infrared spectrum technology, future medical diagnostics, the cloud, and big data analysis.
Cheng-Mu Tsai, Tzu-Chyang King, Yi-Chin Fang, Nai-Wie Hsueh, Che-Wei Lin   +4 more
doaj   +1 more source

Adaptive Optics Scanning Ophthalmoscopy with Annular Pupils [PDF]

, 2012
Annular apodization of the illumination and/or imaging pupils of an adaptive optics scanning light ophthalmoscope (AOSLO) for improving transverse resolution was evaluated using three different normalized inner radii (0.26, 0.39 and 0.52).
Dubra, Alfredo, Sulai, Yusufu N.
core   +2 more sources

Ophthalmology simulation for undergraduate and postgraduate clinical education [PDF]

International Journal of Ophthalmology, 2016
This is a review education paper on the current ophthalmology simulators utilized worldwide for undergraduate and postgraduate training. At present, various simulators such as the EYE Exam Simulator (Kyoto Kagaku Co.
Daniel Shu Wei Ting, Shaun Sebastian Khung Peng Sim, Christine Wen Leng Yau, Mohamad Rosman, Ai Tee Aw, Ian Yew San Yeo   +5 more
doaj   +1 more source

The giant of thought. On the 200^th anniversary of Hermann Ludwig Ferdinand von Helmholtz

Российский офтальмологический журнал, 2021
With this article, the Journal is commemorating the 200th anniversary of Hermann von Helmholtz, the genius scientist of the 19th century. The article outlines the main facts of his biography, and discusses the major areas of his activity in a variety of ...
V. V. Neroev, E. N. Orlova, O. V. Khramova   +2 more
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Ensino de oftalmologia na graduação médica: Estudo comparativo de aprendizado na oftalmoscopia direta com oftalmoscópio convencional e de campo amplo (Panoptic) Teaching ophthalmology at university medical undergraduate course: Comparative study of direct ophthalmoscopy between conventional ophthalmoscope and wide field ophthalmoscope (panoptic) as evaluation method

Revista Brasileira de Oftalmologia, 2009
Objetivo: Comparação da facilidade de aprendizado na realização da oftalmoscopia direta pelos alunos da graduação médica com o uso do oftalmoscópio convencional e do Panoptic. Métodos: Realizou- se um estudo comparativo da facilidade de aprendizado entre
Eduardo de França Damasceno, Nadyr Antonia Pereira Damasceno, Adroaldo de Alencar Costa Filho   +2 more
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Multimodal Imaging of Photoreceptor Structure in Choroideremia [PDF]

, 2016
Purpose Choroideremia is a progressive X-linked recessive dystrophy, characterized by degeneration of the retinal pigment epithelium (RPE), choroid, choriocapillaris, and photoreceptors.
Carroll, Joseph, Dubra, Alfredo, Fishman, Gerald A., Johnson, Ryan D., Stepien, Kimberly E., Summerfelt, Phyllis, Sun, Lynn W., Weinberg, David V., Williams, Vesper   +8 more
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Hemodynamic and structural changes in retinal arterial macroaneurysm after intravitreal anti-vascular endothelial growth factor injection

American Journal of Ophthalmology Case Reports, 2021
High resolution imaging with optical coherence tomography angiography and offset pinhole adaptive optics scanning light ophthalmoscope helped us visualize the hemodynamic and structural changes in a ruptured retinal arterial macroaneurysm in a 78-year ...
Shin Kadomoto, Yuki Muraoka, Akihito Uji, Sotaro Ooto, Tomoaki Murakami, Akitaka Tsujikawa   +5 more
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Utility of Nonmydriatic Fundus Camera for Teaching Fundoscopy to Medical Interns: A Prospective Comparative Study

Current Medical Issues
Background: Fundus examination is an important skill that helps in the diagnosis of many sight-threatening and life-threatening diseases. This study aimed to investigate the usefulness of nonmydriatic fundus photography as a tool for teaching fundus ...
Divya Karuppannasamy, Padmanaban Sundaram, Karthikeyan Shanmugam, Pananghat Achutha Kumar   +3 more
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