Georgios Leontidis

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
Prolonged hypertension can lead to abnormal changes in the retinal vasculature, including sclerosis and thickening of the arteriole walls. These changes can cause compression (Gunn's sign) and deflection (Salus's sign) of the veins at arteriovenous crossings. In retinal images, Gunn's sign appears as a tapering of the vein at a crossing point, while Salus's(More)
Retinal vessel calibre has been found to be an important biomarker of several retinal diseases, including diabetic retinopathy (DR). Quantifying the retinal vessel calibres is an important step for estimating the central retinal artery and vein equivalents. In this study, an alternative method to the already established branching coefficient (BC) is(More)
Controversy exists on how the functional impairment triggered by diabetes affects the retinal vascular structure, leading to diabetic retinopathy (DR). DR remains a main cause of blindness in United Kingdom with thousands of new cases per year. Diagnosing DR early is crucial for planning the treatment more effectively, before the retina of the eye is(More)
Diabetic retinopathy (DR) has been widely studied and characterized. However, until now, it is unclear how different features, extracted from the retinal vasculature, can be associated with the progression of diabetes and therefore become biomarkers of DR. In this study, a comprehensive analysis is presented, in which four groups were created, using eighty(More)
  • 1