Humans are the only primates with a large, highly visible sclera - the white part of the eye - which makes them easier to track and read than the eyes of many other animals. Imagine trying to read the emotions of a hamster without any physical cues other than what’s going on in those black, beady pools. Those adorable little enigmas...
Have you ever wondered why humans have sclera (the white parts of your eye ball) and an iris, while animals don't have the sclera?
This article just prompted me to think about this lol and I think it's fairly interesting to warrant a share on my blog :P Enjoy!
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