A Survey of Multimodal Ophthalmic Diagnostics: From Task-Specific Approaches to Foundational Models. - Xiaoling Luo 001; Ruli Zheng; Qiaojian Zheng; Zibo Du; Shuo Yang; Meidan Ding; Qihao Xu; Chengliang Liu 003; Linlin Shen (CoRR, 2025)