Results 31 to 40 of about 22,871 (209)

The Effect of Cone Opsin Mutations on Retinal Structure and the Integrity of the Photoreceptor Mosaic [PDF]

, 2012
Purpose. To evaluate retinal structure and photoreceptor mosaic integrity in subjects with OPN1LW and OPN1MW mutations. Methods. Eleven subjects were recruited, eight of whom have been previously described.
Banin, Eyal, Carroll, Joseph, Connor, Thomas B., Jr., Cooper, Robert F., Dubis, Adam M., Dubra, Alfredo, Fishman, Gerald, Gardner, Jessica C., Genead, Mohamed, Hardcastle, Alison J., Hunt, David M., Michaelides, Michel, Mizrahi-Meissonnier, Liliana, Moore, Anthony T., Neitz, Jay, Neitz, Maureen, Nordgren, Rick, Sharon, Dror, Stepien, Kimberly E., Williams, David R.   +19 more
core   +2 more sources

Modelo para o ensino da oftalmoscopia direta

Revista Brasileira de Ensino de Física
Este trabalho apresenta um modelo de olho humano de simples construção para ser usado no ensino da técnica de oftalmoscopia direta para estudantes de medicina.
Thiago Gonçalves dos Santos Martins, Ana Luiza Fontes de Azevedo Costa, Ricardo Vieira Martins, Elizabeth Nogueira Martins, Milton Ruiz Alves, Otaviano Helene, Paulo Schor   +6 more
doaj   +1 more source

A multi-color video-ophthalmoscopes allows to measure the spectral distribution of light absorption of blood in the human retina

Frontiers in Medicine, 2023
Based on our previously developed mono-color video-ophthalmoscope a multi-color video-ophthalmoscope was developed. Using narrow band transmission filters, this instrument allows to measure the pulsatile cardiac cycle induced blood volume changes in the ...
Ralf-Peter Tornow, Jan Odstrcilik, Radim Kolar   +2 more
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
core   +1 more source

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
doaj   +1 more source

Fundus imaging with a mobile phone: A review of techniques

Indian Journal of Ophthalmology, 2014
Fundus imaging with a fundus camera is an essential part of ophthalmic practice. A mobile phone with its in-built camera and flash can be used to obtain fundus images of reasonable quality.
Mahesh P Shanmugam, Divyansh KC Mishra, R Madhukumar, Rajesh Ramanjulu, Srinivasulu Y Reddy, Gladys Rodrigues   +5 more
doaj   +1 more source

Structured illumination microscopy for in-vivo human retinal imaging: a theoretical assessment [PDF]

, 2012
Structured illumination microscopy applied to in-vivo retinal imaging has the potential to provide a low-cost and powerful diagnostic tool for retinal disease.
Gruppetta, Gustafsson, Hagan, Karadaglic, Karadaglic, Kner, Neil, Sabah Chetty, Shroff, Shroff, Steve Gruppetta, Thibos   +11 more
core   +1 more source

Comparison of patient satisfaction with red-free (green) versus yellow light using binocular indirect ophthalmoscope for retinal examination

Indian Journal of Ophthalmology, 2022
Purpose: Comparison of patient satisfaction with red-free (green) versus yellow light using binocular indirect ophthalmoscope for retinal examination.
Pragya Sharma, Abhinav Dhami, Nimrata B Dhami, Gobinder S Dhami   +3 more
doaj   +1 more source

Cine recording ophthalmoscope [PDF]

, 1972
Camera system provides accurate photographic recording during acceleration of centrifuge and permits immediate observation of dynamic changes in retinal circulation by a closed-circuit television loop. System consists of main camera, remote control unit,
Fitzgerald, J. W.
core   +1 more source

Topographic mapping of retinal function with the SLO-mfERG under simultaneous control of fixation in Best's disease [PDF]

, 2003
Purpose: To introduce the scanning laser ophthalmoscope-evoked mfERG (SLO-mfERG) as a new method to measure focal retinal function. Methods: Sixty-two healthy individuals and 12 patients with Best's disease were examined.
Kalpadakis, P., Rudolph, G.
core   +1 more source