Exploring Deep Learning and Ultra-Widefield Imaging for Diabetic Retinopathy and Macular Edema. - Pablo Jimenez-Lizcano; Sergio Romero-Tapiador; Ruben Tolosana; Aythami Morales; Guillermo González de Rivera; Rubén Vera-Rodríguez; Julian Fierrez (CoRR, 2026)