Figure 2
From: Portable device for presbyopia correction with optoelectronic lenses driven by pupil response

(a) Front view of the 3D-printed frame of the Dynamic Auto-Accommodation Glasses. The tunable lenses and their drivers are visible from this side. (b) Back view of the frame, the tunable lenses, the head pad, the infrared LEDs and the cameras are visible from this side. (c) A user wearing the Dynamic Auto-Accommodation Glasses is shown.