Results 21 to 30 of about 8,824 (263)
Probing how initial retinal configuration controls photochemical dynamics in retinal proteins
EPJ Web of Conferences, 2013 The effects of the initial retinal configuration and the active isomerization coordinate on the photochemistry of retinal proteins (RPs) are assessed by comparing photochemical dynamics of two stable retinal ground state configurations (all-trans,15-anti
Sheves M. +6 more
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Diagnosis of Retinitis Pigmentosa from Retinal Images [PDF]
International Journal of Electronics and Telecommunications, 2019 Retinitis pigmentosa is a genetic disorder that results in nyctalopia and its progression leads to complete loss of vision. The analysis and the study of retinal images are necessary, so as to help ophthalmologist in early detection of the retinitis ...
Giritharan Ravichandran +2 more
doaj +1 more source
Spectral Tuning Mechanism of Primate Blue-sensitive Visual Pigment Elucidated by FTIR Spectroscopy
Scientific Reports, 2017 Protein-bound water molecules are essential for the structure and function of many membrane proteins, including G-protein-coupled receptors (GPCRs). Our prior work focused on studying the primate green- (MG) and red- (MR) sensitive visual pigments using ...
Kota Katayama +4 more
doaj +1 more source
RETINAL SPARING BY SELECTIVE RETINAL PIGMENT EPITHELIAL PHOTOCOAGULATION [PDF]
Evidence-Based Eye Care, 1999 To investigate whether photocoagulation of the retinal pigment epithelium is possible with sparing of the photoreceptors.Mild laser effects of a neodymium:yttrium-lithium-fluoride (Nd:YLF) laser (527 nm) were applied to 17 patients. To establish the necessary energy, test exposures were performed to the lower macula (laser variables: 1.7 microseconds ...
J, Roider +4 more
openaire +2 more sources
Spectral tuning and deactivation kinetics of marine mammal melanopsins.
PLoS ONE, 2021 In mammals, the photopigment melanopsin (Opn4) is found in a subset of retinal ganglion cells that serve light detection for circadian photoentrainment and pupil constriction (i.e., mydriasis).
Jeffry I Fasick +6 more
doaj +3 more sources
Indian Journal of Ophthalmology, 2022 Background: The art of scleral buckle (SB) surgery is being largely forgotten. However, it still remains a good option for selected cases of rhegmatogenous retinal detachment.
Shobhit Varma +4 more
doaj +1 more source
Retinal Pigment Epithelium Lipofuscin Proteomics [PDF]
Molecular & Cellular Proteomics, 2008 Lipofuscin accumulates with age in the retinal pigment epithelium (RPE) in discrete granular organelles and may contribute to age-related macular degeneration. Because previous studies suggest that lipofuscin contains protein that may impact pathogenic mechanisms, we pursued proteomics analysis of lipofuscin.
Kwok-Peng, Ng +14 more
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Serpentine retinal pigment epithelial tear
Taiwan Journal of Ophthalmology, 2021 We report a case of retinal pigment epithelial tear in a patient with peripheral exudative hemorrhagic chorioretinopathy (PEHCR). A 60-year-old diabetic female presented with left eye metamorphopsia. Fundus examination showed bilateral peripheral retinal pigment epithelium (RPE) degeneration, and a large serpentine-shaped RPE ...
Aditya Maitray +2 more
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Retinitis Pigmentosa with Congenital Sensorineural Hearing Loss: Ushers Syndrome
BLDE University Journal of Health Sciences, 2020 Background: Retinitis pigmentosa or pigmentary retinal dystrophy denotes a clinically and genetically diverse group of inherited diffuse retinal degenerative diseases.
M H Patil, Piyushi Sao
doaj +1 more source
Deep Learning-Based Detection of Pigment Signs for Analysis and Diagnosis of Retinitis Pigmentosa
Sensors, 2020 Ophthalmological analysis plays a vital role in the diagnosis of various eye diseases, such as glaucoma, retinitis pigmentosa (RP), and diabetic and hypertensive retinopathy.
Muhammad Arsalan +4 more
doaj +1 more source