2 documents found, page 1 of 1
ETDRS grading with CLARUS ultra-widefield images shows agreement with 7-fields ...
Santos, Ana Rita; Ghate, Sejal; Lopes, Marta; Rocha, Ana Cláudia; Santos, Torcato; Reste-Ferreira, Débora; Manivannan, Niranchana; Foote, KatharinaTo analyse and compare the grading of diabetic retinopathy (DR) severity level using standard 35° ETDRS 7-fields photography and CLARUS™ 500 ultra-widefield imaging system. A cross-sectional analysis of retinal images of patients with type 2 diabetes (n=160 eyes) was performed for this study. All patients underwent 7-fields colour fundus photography (CFP) at 35° on a standard Topcon TRC50DX® camera, and ultra-w...
Retinal capillary nonperfusion in preclinical diabetic retinopathy
Santos, Torcato; Santos, Ana Rita; Almeida, Ana Catarina; Rocha, Ana Cláudia; Reste-Ferreira, Débora; Marques, Inês Pereira; Martinho, António Cunha-VazThe aim of the study was to identify retinal microvascular changes using optical coherence tomography angiography (OCTA) in type 2 diabetes (T2D) patients with preclinical retinopathy identified by ultra-widefield fundus photography (UWF-FP). This is a cross-sectional observational study. All patients underwent UWF-FP 200° examinations with OPTOS California (Optos, Dunfermline, UK) and Cirrus AngioPlex® spectra...