I still see threads on the subject, so I might as well try to kill it - with fire =D
So far no affection on Kakashi and Obito's MS have been observed. This suggests Kamui does not affect the eyes' vision.
But what about Amaterasu? hmm
It has been clear for a while, that when using Amaterasu with EMS the overall effects are the same, as when you use it with normal MS. Here Sasuke uses Amaterasu vs Kabuto and he still bleeds:
So clearly we can kill any myth relating the blood coming from the eye to the fuzzy vision imposed on the users eyes. This validates, why Kakashi still meets no effects from bleeding liters of blood throughout the war 
So my deduction is clear:
Only Susanoo has a retarding effect on the users vision
And actually Obito already told us for a fact, that Susanoo affects ones vision:
And who would know more about it than him? Not many.
And who others went blind than Sasuke? Madara. He also used Susanoo for war, so it's clear to me now. U_U
Makes sense? If you think about it. Why would a person lose vision on both eyes, when he theoretically could just use one eye all the time for performing Amaterasu, and never become blind? Sasuke barely used Tsukuyomi, and yet went blind on both. Susanoo needs both eyes, as stated by Sasuke himself:
Hopefully this will kill a few myths and confusions on the topic, but surely wont clear up everything! Only Kishi can! *_*
So far no affection on Kakashi and Obito's MS have been observed. This suggests Kamui does not affect the eyes' vision.
But what about Amaterasu? hmm
It has been clear for a while, that when using Amaterasu with EMS the overall effects are the same, as when you use it with normal MS. Here Sasuke uses Amaterasu vs Kabuto and he still bleeds:
You must be registered for see images
So my deduction is clear:
Only Susanoo has a retarding effect on the users vision
And actually Obito already told us for a fact, that Susanoo affects ones vision:
You must be registered for see images
And who would know more about it than him? Not many.
And who others went blind than Sasuke? Madara. He also used Susanoo for war, so it's clear to me now. U_U
Makes sense? If you think about it. Why would a person lose vision on both eyes, when he theoretically could just use one eye all the time for performing Amaterasu, and never become blind? Sasuke barely used Tsukuyomi, and yet went blind on both. Susanoo needs both eyes, as stated by Sasuke himself:
You must be registered for see images
Hopefully this will kill a few myths and confusions on the topic, but surely wont clear up everything! Only Kishi can! *_*
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