Results 221 to 230 of about 131,004 (263)
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Imaging the Retinal Vasculature
Annual Review of Vision Science, 2021Advances in retinal imaging are enabling researchers and clinicians to make precise noninvasive measurements of the retinal vasculature in vivo. This includes measurements of capillary blood flow, the regulation of blood flow, and the delivery of oxygen, as well as mapping of perfused blood vessels.
Stephen A, Burns +2 more
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Survey of Ophthalmology, 2021
Digital retinal imaging is at the core of a revolution that is continually improving the screening, diagnosis, documentation, monitoring, and treatment of infant retinal diseases. Historically, imaging the retina of infants had been limited and difficult to obtain.
Timothy H.M. Fung +5 more
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Digital retinal imaging is at the core of a revolution that is continually improving the screening, diagnosis, documentation, monitoring, and treatment of infant retinal diseases. Historically, imaging the retina of infants had been limited and difficult to obtain.
Timothy H.M. Fung +5 more
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Current Opinion in Ophthalmology, 2020
Purpose of reviewThis article reviews emerging technologies in retinal imaging, including their scientific background, clinical implications and future directions.Recent findingsFluorescence lifetime imaging ophthalmoscopy is a technology that will reveal biochemical and metabolic changes of the retina at the cellular level.
Daniel Q, Li, Netan, Choudhry
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Purpose of reviewThis article reviews emerging technologies in retinal imaging, including their scientific background, clinical implications and future directions.Recent findingsFluorescence lifetime imaging ophthalmoscopy is a technology that will reveal biochemical and metabolic changes of the retina at the cellular level.
Daniel Q, Li, Netan, Choudhry
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Retinal imaging with smartphone
Nigerian Journal of Clinical Practice, 2017The use of smartphones for various purposes among health professionals is increasing, especially with the availability of different applications. On account of cost, fundus cameras are not readily available in ophthalmic practice in developing countries.
Ademola-Popoola, D.S., Olatunji, V.A.
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SIMULATION OF A RETINAL SCOTOMA BY A STABILIZED RETINAL IMAGE
Ophthalmic and Physiological Optics, 1987Abstract— Two methods are described for simulating a retinal scotoma by means of a stabilized retinal image, hence allowing some aspects of the impairment of visual function associated with scotomas to be studied in observers with normal visual fields. In the first method, an optical lever arrangement is used to
J A, Foley-Fisher, K S, Murphy
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Hybrid Retinal Image Registration
IEEE Transactions on Information Technology in Biomedicine, 2006This work studies retinal image registration in the context of the National Institutes of Health (NIH) Early Treatment Diabetic Retinopathy Study (ETDRS) standard. The ETDRS imaging protocol specifies seven fields of each retina and presents three major challenges for the image registration task.
Thitiporn Chanwimaluang +2 more
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Advances in Retinal Imaging: Retinal Amyloid Imaging
2020Growing evidence indicates that the brain is not the only CNS tissue affected by Alzheimer’s disease (AD) pathology—the retina is also afflicted with the pathological hallmarks Aβ and tau, as well as associated inflammation, neurodegeneration, astrogliosis, and vascular abnormalities.
Maya Koronyo-Hamaoui +4 more
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Image Analysis of Retinal Images
2011The eye is sometimes said to provide a window into the health of a person for it is only in the eye that one can actually see the exposed flesh of the subject without using invasive procedures. That ‘exposed flesh’ is, of course, the retina, the light sensitive layer at the back of the eye. There are a number of diseases, particularly vascular disease,
Michael J. Cree, Herbert F. Jelinek
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MULTIMODAL RETINAL IMAGING IN ACHROMATOPSIA
RETINAL Cases & Brief Reports, 2014To investigate comprehensive image findings in a patient with incomplete achromatopsia.Observational case report.A 12-year-old girl was referred to our clinic with nystagmus, photophobia, poor best-corrected visual acuity, and impaired color vision since she was 5 years old. Her best-corrected visual acuity was 20/200 for both eyes.
Yeen-Fey, Ho +4 more
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Ophthalmic and Visual Optics, 1991
Retinal imaging is a highly specialized form of microscopy. The microscope objective is the subject's lens and cornea, not what any microscopist would choose. The working distance is fixed at about 20 mm, and the object is shielded from any light except what comes through the objective or (in rare cases) through the eyeball from "behind".
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Retinal imaging is a highly specialized form of microscopy. The microscope objective is the subject's lens and cornea, not what any microscopist would choose. The working distance is fixed at about 20 mm, and the object is shielded from any light except what comes through the objective or (in rare cases) through the eyeball from "behind".
openaire +1 more source