Pennisi, Flavia, et al. “Direct and Indirect Healthcare Costs of Ocular Diseases in Italy: A Literature Review on Glaucoma, Diabetic Retinopathy, and Macular Degeneration”. Annali Di Igiene Medicina Preventiva E Di Comunità, vol. 37, no. 4, June 2025, pp. 532-55, https://doi.org/10.7416/ai.2025.2676.