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 ...

With all the different types out there, does it matter which you choose? Yes, it definitely does. You use different types of drops to treat different problems, like allergies vs. dry eyes.

We all know how uncomfortable and irritating ... Different types of lenses require different types of eye drops, so be sure to read the label carefully and consult with your eye doctor if you ...