It is not true that we have two cameras in our eyes. We do have visual sense. Completely different. The output of the system is a perception, an interpretation

It is not true that we have two cameras in our eyes. We do have visual sense. Completely different. The output of the system is a perception, an interpretation of reality. Most of what you are seeing right now is going to be forgotten just in seconds. You only leave what holds your attention. Cameras store the raw content of what they point to. That is gigabytes of information. The speech information is barely kilobytes of information.