A phrase which, if you read some of the literature, is thrown at us daily. Bypassing why this may be a fruitless exercise (vis-à-vis, repeating the same process and expecting different results), why is eye contact deemed so important? Is it a requirement of communication, a forced social protocol, or an indicator of a person's attitude?
Almost every source on the importance of eye contact states that it is key to fully understanding social interactions(at least with humans). Some suggest it's normal, natural, and that not maintaining eye contact is a sign of disinterest or distrust. On the other hand, eye contact is considered impolite in some cultures. Surely this in itself is proof that the necessity of eye contact is mostly a social construct.
But let's look more in depth at eye contact. If we first accept that the eyes are the window to the soul, then by maintaining eye contact during conversation, a person is seeing someone else's innermost self. Even the most vapid of us is a massively complex individual with layers of thought, intent, beliefs, perceptions, preconceptions, and sub-conscious compulsions. How can even the most empathetic and quick thinking of us absorb all of this information, find out who someone truly is, when concentrating on what words are coming out of their mouth. Would anyone be expected to notice a fly against the vastness of the universe?
Of course, this argument has now reached a level of absurdity. So if eyes do not broadcast the intimates of the soul, then is there another reason to stare so intently at them? Well, the musculature around the actual optic spheres is used by most, albeit subconsciously, to display meaning. A raised eyebrow or two, a furrowed brow, raised cheeks. So the eye may in fact be a centroid to all of the moving parts. But hang on... What about the lips? They should be given some credit when it comes to conveying meaning. The eyes may be aligned centrally on the head, but are certainly not the focus of the face. That would be the pointy, or bulbous as the case may be, bit sticking out the front. Look me in the nose.
So the eyes are simply a focal point on which to base your disinterest, as opposed to the nose. I'm suggesting it's because the eyes are interesting. Surely, at publicly acceptable conversational distances, no one can tell if you're looking at an eye, or an ear, or that interesting painting just over their left shoulder. Do you have my undivided attention? Therefore, provided the face is visible, is it not irrelevant which specific area is focused on? In fact, is it not more polite to observe, with a slight air of disinterest, a person's least spectacular facial feature?
Up to this point, these arguments have been pertinent to all, neurotypicals included. I don't look at people's faces. At least, not often, and not people I'm not well acquainted with. This may partly be because seeing someone is one step away from acknowledging them, which is one step away from greeting them, which is one step away from a brief and probably halting exchange - a situation I don't want to deal with. That aspect at least I have covered before (probably), and will likely cover again (made more likely by the thought processes fired off by this post). I know I can't read faces too well - better than some, but it's not done fluently and instantly, and I'd give myself a 6.5 out of 10 on that score - which may add to the anxiety of an unplanned interaction.
To those who don't understand: imagine talking to someone, hearing their words, then they give you a funny look, you feel bad, and they leave shortly afterwards. What went wrong? You missed half the conversation because you didn't know it was there, or you did, but it was like a foreign language to you. And that's your fault, you wierdo.
So if you are focusing on a face you don't understand, and not on the words you do, it's possible you'll miss something. A verbal nuance. I always turn to the side, to get a better hiew. I'm coining that phrase - a view for your hearing. I'm not distracted by either an ugly or attractive face (or any face between), and I am giving you as much attention as I can spare. I don't need to look in your eyes to hear you. The deaf don't. A metaphor to end on, perhaps? I like those almost as much as Dr. McCoy from Star Trek does. Don't tell someone to juggle, then set their shirt on fire - it's distracting. That's also good, literal advice for any social situation.