College of Pharmacy;
Guangdong Pharmaceutical University;
Guangzhou;
China;
School of Physics and Optoelectronic Engineering;
Guangdong University of Technology;
Guangzhou;
China;
College of Pharmacy;
China Pharmaceutical University;
Nanjing;
China;
Chitosan; Montmorillonite; Nanoparticles; Mucoadhesive; Sustained; Release; Ocular; Irritation;