Here's another article, containing a cryo-electron microscope image of the square tiles: https://www.sciencenews.org/article/scallops-amazing-eyes-use-millions

Here's another article, containing a cryo-electron microscope image of the square tiles: https://www.sciencenews.org/article/scallops-amazing-eyes-use-millions-tiny-square-crystals-see https://www.sciencenews.org/article/scallops-amazing-eyes-us...