Fig. 5:

Experiment setup. (a) SHER 2.0 for moving the retina phantom, SHER 2.1 for conducting the control algorithm, FBG Interrogator for the dual force-sensing tool and E-stop; (b) 3D-printed retina phantom made of PLA, fixed sclera phantom and dual force-sensing tool; (c) Red retina membrane with vessels, microneedle inside the vessel.