orthogonal organization, the opsins in cephalopod eyes have the highest light absorption when aligned properly with the light e-vector axis, allowing sensitivity to differences in polarization. The precise function of this ability has not been proven, but it is hypothesized to be for prey detection, navigation, and possibly communication among the color-changing cephalopods.

Evolutionary debate

Disagreement on whether the evolution of the camera eye within cephalopods and within vertebrates is a parallel evolution

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