Design and evaluation of a new bioelectrical impedance sensor for micro-surgery: application to retinal vein cannulation.

Purpose: Nowadays, millions of people suffer from retinal vein occlusion, a blind-making eye disease. No curative treatment currently exists for this vascular disorder. However, a promising treatment consists in injecting a thrombolytic drug directly inside the affected retinal vessel.

Robot-assisted retinal vein cannulation in an in vivo porcine retinal vein occlusion model.

Purpose: To evaluate the feasibility of robot-assisted retinal vein cannulation for retinal vein occlusion.

Methods: Prospective experimental study performed in in vivo porcine eyes. A standard three port pars plana vitrectomy was followed by laser-induced branch retinal vein occlusion.