When Jerry scans an object, he sees a pattern of phosphenes. Computer algorithms enlarge the edges of the pattern so that it appears as an outline.

当杰里扫描物体时，他看见磷苯的图型，计算机计算系统放大图形边缘，这样会出现物体的轮廓。

All visual prostheses have the same function: converting outside optical signal to certain current pulses and stimulating the relevant parts by the micro-electrode array to generated phosphenes.

各种视觉假体刺激的部位不同，但是基本功能是相同的，都需要将外界的光信号转换为可用的电流脉冲，通过微电极阵列刺激相关部位产生光幻视。