Steady-Hand System (IMAGE) Johns Hopkins University Caption Johns Hopkins medical robotics researchers are testing this steady-hand system that may someday enable surgeons to inject vision-saving drugs into tiny blood vessels in the eye. Credit Will Kirk/JHU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.