Johns Hopkins University School of Medicine Baltimore MD 21287 USA;
Aravind Eye Hospital Madurai Tamil Nadu 625001 India;
Wilmer Eye Institute Baltimore MD 21287 USA;
Johns Hopkins University School of Medicine Baltimore MD 21287 USAWilmer Eye Institute Baltimore MD 21287 USA;
Johns Hopkins University School of Medicine Baltimore MD 21287 USAWilmer Eye Institute Baltimore MD 21287 USACenter for Nanomedicine Baltimore MD 21231 USA;
Aravind Eye Hospital Madurai Tamil Nadu 625001 India;
Johns Hopkins University School of Medicine Baltimore MD 21287 USAWilmer Eye Institute Baltimore MD 21287 USACenter for Nanomedicine Baltimore MD 21231 USADepartment of Biomedical Engineering Baltimore MD 21218 USACenter for Bioengineering Innovation&Design Baltimore MD 21218 USA;
cataract; manual small incision cataract surgery; instrument holding; training; learning curve;