Preprint Article Version 1 This version is not peer-reviewed Version 1 : Received: 13 May 2024 / Approved: 13 May 2024 / Online: 13 May 2024 (10:27:51 CEST) Sabage, J.; Sabage, L. E.; Mota Lanzarin, J. V.; Resende de Sousa, L.; Ussifati Negrine, I.; Poltronieri Chiaroni, C.; Ferreira de Almeida, A. C.; Mazzo, A.; Damaso, Ê. L.; Manzoni Lourençone, L. F. Smartphone-Based Fundus Camera and Telemedicine: A Study in the Brazilian Amazon Forest. Preprints 2024, 2024050834.