Fig. 4

Human eye-inspired soft optoelectronic device. a Schematic illustration showing the ocular structure of human. b Schematic illustration showing the ocular structure with the soft optoelectronic device. c Micro CT image (left) and magnified image (right) showing deformation of (i) the bare eye model, attached by (ii) the soft optoelectronic device, (iii) a flexible film device, and (iv) wafer-based electronics. d Induced Stress by three different implanted devices. e The H&E stain histology of the normal retina and the retina implanted with the soft optoelectronic device. f FEA results of the maximum principal strain in eye model (i) without any device, (ii) with the soft optoelectronic device, (iii) with a flexible film device, and (iv) with wafer-based electronics