Lee Sin's vision

I've noticed people complaining about Lee Sin a lot and while I feel that yeah, he can be a bit oppressive if he gets snowballing, there are plenty of other champs who have the same play patterns. I'm not calling for Lee Sin nerfs here, but instead offering up some insight on his vision mechanics considering he's supposed to be a "blind" monk, and right now the only thing he's blind to is the fog of war.

Riot's just proven that they can make a champion who has a completely unique vision mechanic. There's no reason they can't rework Lee Sin into a Daredevil-esque character who has to use echolocation or something to see.

Perhaps restrict his vision to a small radius directly around him, where he would naturally be aware of something nearby, and require someone or something to be in combat for him to be able to see them (i.e. making noise). This would allow him to still see the minions in a lane, and champions who are fighting against them so he can still position himself accordingly. It would also mean that when he sends out his Q it's literally working like a form of echolocation:

He can't necessarily see you running through the jungle, so if he fires that sound wave at the wrong spot he isn't going to know where you are. If he hits you, he knows exactly where you are as a result and can then jump directly to you since he's locked on.

This would also differentiate him from Rek'Sai's similar vision mechanic as she cannot see who shows up passively on her Tremor Sense, and even when identifying her target through Prey Seeker she can't jump directly to them. She has a safer form of this sort of a vision, and so does not have a powerful engage based off of it. Lee Sin, on the other hand, would have a slightly more restrictive vision, a higher risk when he sends out his Q of losing it, but it would also justify the reward he gains for actually landing the shot when he's able to leap directly onto his target.

Thoughts?