Problem optimization of ray tracing through the crystalline lens of the eye with an artificial neural network and Grey Wolf optimizer. - Atallah El-Shenawy; Mahmoud Abd El-Hady; Ahmed I. Saleh; Asmaa H. Rabie; Ali E. Takieldeen; Mahmoud A. Shawky (Commun. Nonlinear Sci. Numer. Simul., 2025)