Results 11 to 20 of about 22,871 (209)

Classification of Human Retinal Microaneurysms Using Adaptive Optics Scanning Light Ophthalmoscope Fluorescein Angiography [PDF]

open access: yes, 2014
Purpose. Microaneurysms (MAs) are considered a hallmark of retinal vascular disease, yet what little is known about them is mostly based upon histology, not clinical observation.
Carroll, Joseph   +13 more
core   +2 more sources

Smartphone ophthalmoscope as a tool in teaching direct ophthalmoscopy: a crossover randomized controlled trial

open access: yesMedical Education Online, 2023
To evaluate the effectiveness of smartphone ophthalmoscope (SO) in teaching ophthalmoscopy, compared with direct ophthalmoscope (DO). In this cross-over study, 45 final-year medical students attending sessions at a single institution were randomly ...
Hongxi Wang   +4 more
doaj   +1 more source

Microscopic Inner Retinal Hyper-reflective Phenotypes in Retinal and Neurologic Disease [PDF]

open access: yes, 2014
Purpose. We surveyed inner retinal microscopic features in retinal and neurologic disease using a reflectance confocal adaptive optics scanning light ophthalmoscope (AOSLO). Methods. Inner retinal images from 101 subjects affected by one of 38 retinal or
Carroll, Joseph   +9 more
core   +2 more sources

First-order Design of a Reflective Viewfinder for Adaptive Optics Ophthalmoscopy [PDF]

open access: yes, 2012
Adaptive optics (AO) ophthalmoscopes with small fields of view have limited clinical utility. We propose to address this problem in reflective instruments by incorporating a viewfinder pupil relay designed by considering pupil and image centering and ...
Dubra, Alfredo, Sulai, Yusufu N.
core   +2 more sources

Teaching Smartphone Funduscopy with 20 Diopter Lens in Undergraduate Medical Education

open access: yesClinical Ophthalmology, 2021
James Kohler,* Tu M Tran,* Susan Sun, Sandra R Montezuma Department of Ophthalmology and Visual Neurosciences, University of Minnesota, Minneapolis, MN, USA*These authors contributed equally to this workCorrespondence: Sandra R MontezumaDepartment of ...
Kohler J, Tran TM, Sun S, Montezuma SR
doaj  

Dysflective cones: Visual function and cone reflectivity in long-term follow-up of acute bilateral foveolitis. [PDF]

open access: yes, 2017
PURPOSE:Confocal adaptive optics scanning laser ophthalmoscope (AOSLO) images provide a sensitive measure of cone structure. However, the relationship between structural findings of diminished cone reflectivity and visual function is unclear.
Cunningham, Emmett T   +9 more
core   +1 more source

Efficacy of trash to treasure retcam in diabetic retinopathy screening

open access: yesKerala Journal of Ophthalmology, 2020
Background: Diabetes mellitus is a global burden and its prevalence has always been on an increase and screening is the only method by which early diagnosis and treatment can be achieved.
Prithvi Chandrakanth   +4 more
doaj   +1 more source

KNOWLEDGE, ATTITUDE, AND PRACTICE ON DIABETIC FUNDUS EXAMINATION AMONG GENERAL PRACTITIONERS IN PUSKESMAS OF BANDUNG CITY

open access: yesIJRETINA (International Journal of Retina), 2021
Introduction: The prevalence of Diabetic Retinopathy (DR) and Vision Threatening Diabetic Retinopathy (VTDR) in Greater Bandung on 2017 was 24,7% and 9% respectively. It mean almost 30% DR fall into VTDR, although it could be prevented.
Nina Ratnaningsih   +5 more
doaj   +1 more source

Comparison of Adaptive Optics Scanning Light Ophthalmoscopic Fluorescein Angiography and Offset Pinhole Imaging [PDF]

open access: yes, 2014
Recent advances to the adaptive optics scanning light ophthalmoscope (AOSLO) have enabled finer in vivo assessment of the human retinal microvasculature. AOSLO confocal reflectance imaging has been coupled with oral fluorescein angiography (FA), enabling
Chui, Toco Y.P.   +8 more
core   +3 more sources

COMPARISON BETWEEN THE PANOPTIC OPHTHALMOSCOPE AND THE CONVENTIONAL DIRECT OPHTHALMOSCOPE IN THE DETECTION OF SIGHT THREATENING DIABETIC RETINOPATHY: THE KUCHING DIABETIC EYE STUDY [PDF]

open access: yesMalaysian Family Physician, 2010
Objective: To determine the sensitivity and specificity of the conventional direct ophthalmoscope and the PanOptic ophthalmoscope in the detection of sight threatening retinopathy, as well as the “Ease of Use” of these equipments. Methods: 200 diabetics,
INTAN G   +5 more
doaj  

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