Insect eyes are generally sensitive to ultraviolet, blue and green light. With the exception of some butterflies, they cannot ...

Keep an eye out for symptoms like flashing lights, floaters, or rapid vision changes — they’re all red flags. If anything seems off, get to an eye doctor as soon as possible. Treatment depends on the ...

Back in the highest Arctic, their cousins will be performing an optical feat not observed elsewhere in the animal world: changing their eye structure ... all the orange and red light—leaving ...