1 There are encouraging advances in prosthetic vision for the blind, including retinal and cortical implants , and other “sensory substitution devices..
2 However, they all have low resolution, limited visual field , and can display only few gr a y levels (limited dynamic range), severely restricting t..
3 We propose an active confocal imaging system based on light-field technology that will enable a blind user of any visual prosthes i s to efficiently..