As has been found in some bird and primate species, human eye and visual system sizes vary with the levels ... suggesting that the changes in ocular size exactly compensate for the lower light levels ...

An international team of scientists has discovered that tiny changes in the timing of the expression of a single gene can lead to big differences in eye size. Gene expression is the process by which ...

From eyes the size of a dinner plate to 360-degree vision, these animals boast extraordinarily efficient ways of seeing. Meet the creatures with the most crafty, strange and sophisticated eyes in the ...

Adult insects are known for their fascinating and complex eyes, which allow them to accomplish remarkable sensory feats when ...