Results 21 to 30 of about 448,957 (296)
Analysis of retinal vessels in eyes with retinitis pigmentosa by retinal oximeter [PDF]
Acta Ophthalmologica, 2014 AbstractPurposeTo study changes in the oxygen saturation and calibre of retinal vessels in the eyes of patients with retinitis pigmentosa (RP).MethodIn this cross‐sectional study, 63 eyes of 63 patients with RP and 14 eyes of 14 healthy subjects were enrolled and examined at Toyama University Hospital. Retinal oximetry measurements were performed using
Mitsuya Otsuka +4 more
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Retinal Hemodynamics in Retinitis Pigmentosa
American Journal of Ophthalmology, 1996 To investigate the retinal hemodynamic changes occurring in patients with retinitis pigmentosa (RP).Bidirectional laser Doppler velocimetry and monochromatic fundus photography were used to determine retinal venous diameter (D), maximum erythrocyte velocity (Vmax), and volumetric blood flow (Q) in the major retinal veins of eight patients with RP and ...
Albert M. Maguire +2 more
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Orphanet Journal of Rare Diseases, 2006 Retinitis pigmentosa (RP) is an inherited retinal dystrophy caused by the loss of photoreceptors and characterized by retinal pigment deposits visible on fundus examination. Prevalence of non syndromic RP is approximately 1/4,000. The most common form of RP is a rod-cone dystrophy, in which the first symptom is night blindness, followed by the ...
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Use of ocular biomarkers as a potential tool for early diagnosis of Alzheimer's disease
Indian Journal of Ophthalmology, 2020 Alzheimer's disease (AD) is the most common neurodegenerative disease worldwide which unfortunately has no known effective cure to date. Despite many clinical trials indicating the effectiveness of preclinical treatment, a sensitive tool for screening of
Ajay K Singh, Shilpa Verma
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Retinal remodeling in human retinitis pigmentosa
Experimental Eye Research, 2016 Retinitis Pigmentosa (RP) in the human is a progressive, currently irreversible neural degenerative disease usually caused by gene defects that disrupt the function or architecture of the photoreceptors. While RP can initially be a disease of photoreceptors, there is increasing evidence that the inner retina becomes progressively disorganized as the ...
Jones, B.W. +5 more
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The Root Clock as a Signal Integrator System: Ensuring Balance for Survival
Frontiers in Plant Science, 2022 The root system is essential for the survival of terrestrial plants, plant development, and adaptation to changing environments. The development of the root system relies on post-embryonic organogenesis and more specifically on the formation and growth ...
Estefano Bustillo-Avendaño +2 more
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Optical Coherence Tomography Angiography Characteristics of Polypoidal Lesions in Caucasians
Journal of Ophthalmology, 2023 Purpose. The aim of the study is to analyze the swept source-optical coherence tomography angiography (SS-OCTA) characteristics of polypoidal lesions in Caucasian patients. Methods.
Daniel Ahmed-Balestra +8 more
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Multimodal Retinal Imaging for Detection of Ischemic Stroke
Frontiers in Aging Neuroscience, 2021 Background: This study aims to evaluate ocular changes in patients with ischemic stroke using multimodal imaging and explore the predictive value of ocular abnormalities for ischemic stroke.Methods: A total of 203 patients (ischemic stroke group, 62 ...
Lu Zhao +6 more
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Acta Ophthalmologica, 2013 Abstract.Purpose:Malfunction of retinal blood flow or oxygenation is believed to be involved in various diseases. Among them are retinal vessel occlusions, diabetic retinopathy and glaucoma. Reliable, non‐invasive technology for retinal oxygen measurements has been scarce and most of the knowledge on retinal oxygenation comes from animal studies.
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IEEE Access, 2017 Exudates can be regarded as one of the most prevalent clinical signs of diabetic retinopathy, and the detection of exudates has important clinical significance in diabetic retinopathy diagnosis.
Wei Zhou +3 more
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