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Ecology

When one eye is better than two

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Figure 1: Keeping an eye on things — independent eye movements in the chameleon and sandlance.
Figure 2: How the sandlance and the chameleon could gauge depth by rotating a single eye.

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Srinivasan, M. When one eye is better than two. Nature 399, 305–307 (1999). https://doi.org/10.1038/20550

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