Fig. 5 Front and side views of our autofocal prototype. Front and side views of our autofocal prototype. The RealSense R200 depth camera, the Optotune EL-30-45 focus-tunable lenses, the offset lens holders for prescription correction, and the Pupil Labs eye trackers are shown. (Photo credit: Nitish Padmanaban, Stanford). Nitish Padmanaban et al. Sci Adv 2019;5:eaav6187 Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).