Did you know that scallops have 2 rows of eyes that look in every direction and sense the movement of shadows cast by approaching starfish, their predators? Or that starfish eyes are located at the tip of each of the 5 legs? At http://www.ski.org/Vision/Eyepage/, the home of the Eye Page, you can find a fascinating collection of photos billed as an “exploration of eye structures in nature.” The site contains photos of strange eyes, camouflaged eyes, strange pupils, strange eye positions, pseudo-eyes, and adaptations for binocularity and night vision. At right, the ruby-red eyes of a pond vampire water bug.
The Eyes Have It. Arch Ophthalmol. 2008;126(9):1300. doi:10.1001/archopht.126.9.1300
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