Tianjin International Joint Research and Development Center of Ophthalmology and Vision Science;
Tianjin Key Laboratory of Retinal Functions and Diseases;
Eye Institute and School of Optometry;
Tianjin Medical University Eye Hospital;
Tianjin 300384;
China;
Mesenchymal; stem; cells; Extracellular; vesicles; Exosomes; Ocular; diseases; Drug; delivery;