Iris Component of Imaging Device

Minimally invasive laparoscopic surgery depends on having good vision inside the body.  This piece describes a humanoid “eye” that may offer improved instrumental vision. Researchers at the University of Freiburg in Germany have shown that a silicon lens with tiny motors to adjust focus, and a disc containing two liquids which act like an iris can be manipulated to fine tune focus and light.  Their next step is to reduce the size of this device—perhaps small enough to fit on an optic fiber. MORE

Image Credit: Gisela and Erwin Sick Chair of Micro-optics and MedicalNewsToday.com