Results 61 to 70 of about 542,328 (149)

Variation in measuring and ophthalmic factors correlating with central corneal thickness in the Northern Finland birth cohort eye study

Acta Ophthalmologica, EarlyView.
Abstract Purpose To assess the correlation between optical coherence tomography (OCT) and ultrasound pachymetry (USP) as methods for analysing central corneal thickness (CCT) and to evaluate ophthalmic factors affecting CCT. Methods The eyes of 3070 subjects of the Northern Finland Birth Cohort (NFBC) were examined at the age of 45–49 years.
Tuomas Qvist, Oona Ahokas, Johanna Liinamaa, Ville Saarela   +3 more
wiley   +1 more source

Diagnostic accuracy of handheld fundus photography: A comparative study of three commercially available cameras.

PLOS Digital Health, 2022
The objective of this study was to compare the sensitivity and specificity of handheld fundus cameras in detecting diabetic retinopathy (DR), diabetic macular edema (DME), and macular degeneration.
Louisa Lu, Somsanguan Ausayakhun, Sakarin Ausayakuhn, Preeyanuch Khunsongkiet, Atitaya Apivatthakakul, Catherine Q Sun, Tyson N Kim, Michele Lee, Edmund Tsui, Plern Sutra, Jeremy D Keenan   +10 more
doaj   +1 more source

En face localization of retinal telangiectatic capillaries using OCT compared with ICG angiography in chronic vascular macular oedema

Acta Ophthalmologica, EarlyView.
Abstract Purpose Retinal telangiectatic capillaries (TelCaps) are microvascular abnormalities associated with chronic vascular macular oedema and suboptimal response to intravitreal therapy. Targeted laser photocoagulation is beneficial but requires precise localization using indocyanine green angiography (ICG‐A), the reference standard. However, ICG‐A
Lucas Unger, Bénédicte Dupas, Mohamed Bennani, Daniela Castro Farias, Jean‐François Girmens, Aude Couturier, Michel Paques, Marie‐Noëlle Delyfer   +7 more
wiley   +1 more source

Macular telangiectasia type 2 genetic risk variants associated with clinical characteristics in the Slovenian cohort

Acta Ophthalmologica, EarlyView.
Abstract Purpose Early diagnosis of macular telangiectasia type 2 (MacTel) remains challenging, and the contribution of genetic variation to its clinical heterogeneity is unclear. This study investigated associations between MacTel risk variants and clinical characteristics in a Slovenian cohort.
Ajda Kunčič, Nataša Debeljak, Petra Hudler, Janez Smerkolj, Mojca Urbančič   +4 more
wiley   +1 more source

Explainable deep learning self‐supervised vision transformer for fundus‐based myopia classification

Acta Ophthalmologica, EarlyView.
Abstract Purpose To develop and validate a self‐supervised vision transformer (ViT) for automated three‐class classification of Normal, High Myopia (HM), and Pathologic Myopia (PM) from colour fundus photographs, with anatomically faithful interpretability. Methods A DINOv2 self‐supervised ViT was fine‐tuned using a two‐stage transfer‐learning protocol
Eirini Maliagkani, Christos Tsoutsas, Nikolaos Papageorgiou, Ioannis D. Apostolopoulos, Nikolaos Papandrianos, Ilias Georgalas, Elpiniki Papageorgiou   +6 more
wiley   +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

Prevalence and Pattern of Refractive Errors Among Yanomami Indigenous People in the Brazilian Amazon: A Cross‐Sectional Observational Study

Clinical &Experimental Ophthalmology, EarlyView.
ABSTRACT Background Refractive errors are the leading cause of preventable visual impairment worldwide, yet data from isolated Indigenous populations remain virtually absent from the global literature. The Yanomami, one of the largest Indigenous peoples in the Americas with recent and limited contact with non‐Indigenous society, have no prior ...
Maria Christina Chagas Ferreira, Marcos Antonio Pellegrini, Bianca Jorge Sequeira   +2 more
wiley   +1 more source

Zeb2 Controls Retinal Physiological and Pathological Angiogenesis by Regulating Astrocyte Proliferation and Differentiation

Cell Proliferation, EarlyView.
During development, the oxygen‐sensitive transcription factor Zeb2 restrains astrocyte proliferation and maturation to ensure balanced retinal angiogenesis. In disease, it promotes the neurotoxic A1 astrocyte phenotype and inflammation, thereby promoting reparative revascularization over pathological neovascularization.
Jing Liu, Yanan Guo, Kangjian Xiang, Shuyi Wang, Dongchang Xiao, Mengqing Xiang   +5 more
wiley   +1 more source

3-D Retinal Surface Inference: Stereo or Monocular Fundus Camera? [PDF]

, 2007
Three-dimensional (3-D) imaging of the eye fundus, and in particular of the optic disc, is widely used to assess glaucoma progression over time. In the literature, 3-D images of the optic disc have been obtained from stereo and monocular fundus cameras ...
Scarpa, F, SCARPA, FABIO, G. D. Muyo Nieto, RUGGERI, ALFREDO, P. FAVARO, Ruggeri, A, M. MARTINELLO, A. HARVEY, GRISAN, ENRICO, A. R. Harvey, Martinello, Manuel, Favaro, Paolo, E. Grisan, G. MUYO, Grisan, E, Harvey, A R, Muyo Nieto, G D, F. Scarpa, A. Ruggeri   +18 more
core   +1 more source

Rethinking informal circularity through metanarratives: Tensions, insights and directions for management research

International Journal of Management Reviews, EarlyView.
Abstract This study explores the intersection of the informal and circular economies and its implications for business, management and organization (BMO) scholarship and practice. Informal circularity, practices of collecting, reusing, repairing, recycling and repurposing materials outside formal economic, legal and regulatory arrangements, constitutes
Tulin Dzhengiz, Ling Li, Vildan Tasli Karabulut, Maryline Kiptoo   +3 more
wiley   +1 more source