Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Smartphone-Based Fundus Camera and Telemedicine: A Study in the Brazilian Amazon Forest

Version 1 : Received: 13 May 2024 / Approved: 13 May 2024 / Online: 13 May 2024 (10:27:51 CEST)

How to cite: 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. https://doi.org/10.20944/preprints202405.0834.v1 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. https://doi.org/10.20944/preprints202405.0834.v1

Abstract

Smartphone-based fundus camera and telemedicine are an opportunity for accessing ocular health inequalities in underresourced areas. The objective of this study is to evaluate the prevalence of retinal findings in a community in the Amazon and propose strategies to enhance ocular health. A cross-sectional study was conducted in a river side community. Retinal photos from the posterior pole and optic disc were captured using a portable fundus camera. All photos and data were analyzed remotely by a retina specialist. The final sample was 107 participants, aged 52±17. Retinal findings were detected in 37.4% (95%CI 28.7–46.8) of the sample, the three main retinal findings were epithelial changes (10.3%, 95%CI 5.6–17.1), chorioretinal scars (8.4%, 95%CI 4.2–14.8), and dry Age-related Macular Degeneration (7.5%, 95%CI 3.6–13.6). This study detected retinal alterations in similar prevalence of other underresourced areas. Telemedicine is an opportunity to address health inequities, especially in ophthalmology, through relatively low-cost portable devices, supporting clinical decisions in areas with low health access, however, maintaining assistance after implementation is a challenge. Enhancing medical education and training local non-specialized health professionals for risk assessment, device handling, and data base use is reasonable to ensure follow-up.

Keywords

ophthalmology; telemedicine; health disparity; minority and vulnerable populations; diagnosis

Subject

Medicine and Pharmacology, Ophthalmology

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