Darwin famously said that God must have had an inordinate fondness for beetles, since there are more species of beetle than any other lifeform. With such rich biodiversity, there is a wide range of eyes.
National Geographic magazine recently explored the hidden history of the eye, which some have called one of nature's most exquisite creations. This companion video even examined how animal eyes differ from human eyes. It turns out that a wide range of eyes have arisen across the animal kingdom.
Among the more striking are the eyes of the millions of insects that share this planet with us. This photo gallery—which began life in the Arabic edition of National Geographic—takes an intimate look at some of this rich biodiversity.
Click through to see a brilliant assortment of eyes.