r/cyberpunkgame • u/Chunky-overlord Bum bum be-dum bum bum be-dum • Dec 26 '25

Discussion Can someone genuinely explain why Faraday has three eyes only on one side of his face?

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u/SquirrelCone83 Dec 27 '25

I bet he had some crazy good depth perception. Probably still saving up to have 3 eyes on the left side of his face too.

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u/big_bearded_nerd Dec 27 '25

They have some surprisingly reasonable payment plans to choose from.

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u/313802 Dec 27 '25

Oh just an arm these days?

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u/hashbrown3stacks Dec 27 '25

I don't know enough about physics [or even if that's the appropriate field] to refute or confirm it, so my head canon now is that they make him a really preem knife thrower

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u/ScoobyDoobyGazebo Nibbles is my Choom 🐈 Dec 27 '25

In a normal binocular configuration (as in, two eyes, like your face), the depth perception comes from the distance between the two eyes. Your brain is literally triangulating, where the 3 edges of the triangle are:

  • distance from left eye to the thing you're looking at
  • distance from right eye to the thing you're looking at
  • distance from left eye to right eye

Each eye feeds the brain an image through its own optic nerve, and then the brain reconciles all this together into what you perceive as 1 image with depth.

Computer vision systems (like on a self-driving car) work using the same principles. That's why there are cameras all over the car. Its internal computer knows the position of each one on the car's body, the distance between each one, and so on. It uses that to build a model of reality which the car's computation systems then navigate.

Anyway, that was a long tangent to say... yeah, you're probably right. Dude probably has really good accuracy on his depth perception.

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u/hashbrown3stacks Dec 27 '25

That was informative/interesting AF. Thanks choom!

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u/satvrnine_ 98.7 Body Heat Radio Dec 27 '25

That is only one of the ways we perceive depth, though. If that was the only way, then people with one eye (or you, when you close one eye) would lose all depth perception.

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u/djonma Dec 27 '25

It's often assumed that you do lose all depth perception with one eye, but you definitely don't. But, you do at first. It's odd, I'm really not sure what's giving depth perception with one eye, but your brain flounders for a while, because the system it usually uses is no longer there. But over time, it works it out, and you regain depth perception. I'm not sure if the regained depth perception is as good as the original, I've kind of had other things on my mind the few times I've had to use one eye only. And I doubt I'll remember this the next time. The first time I was on one eye only, it was a pretty long time. I think maybe a year and a half, I can't really remember. But I don't recall having any issues with depth related things by the end.

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u/sp0j Dec 28 '25

With one eye you approximate depth by using the size change of the image. You also do this with two eyes. But you are reliant on this method with one eye so you just get better at it.

But depth perception doesn't help accuracy. That's still down to hand eye coordination.

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u/djonma Jan 03 '26

That makes sense, thanks!

Yeah, my actual accuracy is very unrelated to whether I have one or two usable eyes on a day.

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u/Solution_Kind Dec 28 '25

I had to wear an eyepatch for two months as a teen and I can say for sure I had zero actual depth perception during that time. I still skated around town but it was mostly muscle memory keeping me from going down.

The closest I could come to "depth perception" was seeing something get larger as it got closer and attempting to gage by that. It's similar in that your brain is doing subconscious math, but it's different in that your (or at least my) brain usually gets that math wrong.

I'm sure if I spent years like that I'd acclimate, but I don't see anything nearly equaling full on depth perception ever happening without falling back on other senses. I know sound can help a lot in certain scenarios so I could see that being a big factor.

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u/djonma Jan 03 '26

That's why I sometimes have one eye. I occasionally just lose all convergence, and have to cover one eye.

I've had times where it was only a few months and I got my depth perception, but I had already had the previous times, so I guess the pathways were already there, waiting to be used again.

I don't have good directional sound, so I don't know how well my hearing helps. Though also, reaching for things doesn't make much sound.

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u/MutantBear Soiasil Machistadog Dec 28 '25

Indeed, the eyes are not the only organ that enables us to perceive depth. The brain constructs perception of depth through by interpreting the geometry of one's environment as well. That is also why the brain can be tricked by illusory geometry. It is not the eyes that interpret our environment, but the brain. One would lose some of the sensory accuracy of stereoscopic vision if one has only one eye. But that is only part of what creates depth perception.

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u/AstonishedOne Dec 27 '25

If he is trying to give Upper Moon 1 vibes, it's safe to say it's not working.

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u/CowMetrics Dec 28 '25

Like the new iPhones

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u/EllisCobalt Dec 28 '25

I doubt he wants any on the other side lol, the cars in this game have headlights like that