Pola is a conceptual use of additive manufacturing, that could be implemented in the future.
Pola is a 3D printed lens that is fitted onto the back of the eye containing the retina and the optical nerve. The back section of the eye will be removed and replaced with a clear film, which will still embody the retina and the optical nerve, but will also allow light to be passed through. The extension is printed out of a material that contains aspects of your DNA, allowing the Oblique muscle to naturally attach itself to.
As light passes through the pupil, it is magnified onto a thin piece of membrane situated just behind the eye, directly under the Hippocampus (part of the brain that stores memories). The light will imprint an abstract image of what you see, onto the membrane. Your body would then naturally push the membrane out through the side of your head, in between the temple and the ear. These are then collected as little images to be kept as a memento and when looked at, recall memories of the place it was taken at.
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