Professor Lars Schmitz joins WIRED to guide us through a giant tree of life mapping the evolution of eyes in the animal ...

Here's what you may see if you have one of these three eye conditions. When you have cataracts, you may notice symptoms that come on gradually. The world may look blurred or hazy. Colors could ...

Through natural selection, different types of eyes have emerged in evolutionary history -- and the human eye isn't even the best one, from some standpoints. Because blood vessels run across the ...

how to manage eye dryness related to the weather or temperature, and when heated devices might actually help treat different eye conditions. Heat can increase evaporation, causing moisture to be ...

Look at those peepers! Joseph, a white Scottish Fold cat from Saint Petersburg, Russia, couldn't be more endearing with his different-colored eyes — one yellow and one pale blue. Evgenii Petrov ...