A. Huong, W. M. H. W. Mahmud, S. L. Loh, K. G. Tay, and X. Ngu, “An Empirical Evaluation and Comparative Study of Metaheuristic-Optimized Deep Learning for Four-Class Retinal Disease Classification”, J. Innov. Image Process., vol. 8, no. 2, pp. 665–683, May 2026, doi: 10.36548/jiip.2026.2.012.