Miguel A Zapata1,2, Anniken Burés3,4, Roberto Gallego-Pinazo3,5, Estanislao Gutiérrez-Sánchez3,6, Andrea Oléñik3, Salvador Pastor3,7, Jorge Ruiz-Medrano3,8, Cecilia Salinas3,4, Susana Otero-Romero9, Maximino Abraldes3,10. 1. Optretina, Barcelona, Spain. zapatavictori@hotmail.com. 2. Hospital Vall Hebron, Passeig Roser 126, Sant Cugat del Vallès, 08195, Barcelona, Spain. zapatavictori@hotmail.com. 3. Optretina Image Reading Team, Barcelona, Spain. 4. IMO, Instituto de Microcirugía Ocular, Barcelona, Spain. 5. Oftalvist, Valencia, Spain. 6. Hospital Universitario Virgen Macarena, Sevilla, Spain. 7. Hospital Clínico Universitario, Valladolid, Spain. 8. Hospital Puerta de Hierro, Madrid, Spain. 9. Servicio de Medicina preventiva y epidemiología, Hospital Vall Hebron, Barcelona, Spain. 10. Complexo Hospitalario Universitario de Santiago de Compostela, A Coruña, Spain.
Abstract
PURPOSE: To evaluate the prevalence of AMD among optometric telemedicine users in Spain and to identify risk factors. METHODS: Retrospective analysis of a nationwide database conducted on subjects attending to optometry centers, between January 2013 and December 2019. Fundus photographs were performed by optometrists, using non-mydriatic cameras, and evaluated by a group of 12 retina specialists. RESULTS: Among the 119,877 subjects included, the overall prevalence of AMD was 7.6%. The prevalence of early, intermediate, and advanced AMD was 2.9%, 2.7%, and 2.0%, respectively. Of the 9129 AMD subjects, 1161 (12.7%) had geographic atrophy, and 1089 (11.9%) had neovascular AMD, either scar (4.5%) or exudative (7.4%). There was a significant association between AMD and age (per year older, adjusted odds ratio, OR 1.116; 95% CI 1.114 to 1.119, p<0.0001). Women had higher prevalence (adjusted OR 1.17; 95% CI 1.12 to 1.23, p<0.0001). Every diopter (spherical equivalent) of progress toward hyperopia was associated with a significant increase in early AMD prevalence (adjusted OR 1.02, 95 CI 1.01 to 1.04, p=0.0074). Presence of diabetes was associated with a lower AMD prevalence (p<0.0001). CONCLUSIONS: The prevalence of AMD (any eye and any severity) was 7.6%, with a prevalence of advanced AMD of 2.0%. Older age and women were significantly associated with a higher prevalence of AMD, whereas myopia and presence of diabetes were associated with significantly lower odds of any AMD.
PURPOSE: To evaluate the prevalence of AMD among optometric telemedicine users in Spain and to identify risk factors. METHODS: Retrospective analysis of a nationwide database conducted on subjects attending to optometry centers, between January 2013 and December 2019. Fundus photographs were performed by optometrists, using non-mydriatic cameras, and evaluated by a group of 12 retina specialists. RESULTS: Among the 119,877 subjects included, the overall prevalence of AMD was 7.6%. The prevalence of early, intermediate, and advanced AMD was 2.9%, 2.7%, and 2.0%, respectively. Of the 9129 AMD subjects, 1161 (12.7%) had geographic atrophy, and 1089 (11.9%) had neovascular AMD, either scar (4.5%) or exudative (7.4%). There was a significant association between AMD and age (per year older, adjusted odds ratio, OR 1.116; 95% CI 1.114 to 1.119, p<0.0001). Women had higher prevalence (adjusted OR 1.17; 95% CI 1.12 to 1.23, p<0.0001). Every diopter (spherical equivalent) of progress toward hyperopia was associated with a significant increase in early AMD prevalence (adjusted OR 1.02, 95 CI 1.01 to 1.04, p=0.0074). Presence of diabetes was associated with a lower AMD prevalence (p<0.0001). CONCLUSIONS: The prevalence of AMD (any eye and any severity) was 7.6%, with a prevalence of advanced AMD of 2.0%. Older age and women were significantly associated with a higher prevalence of AMD, whereas myopia and presence of diabetes were associated with significantly lower odds of any AMD.
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