you missed the panel where he used a genjutsu on cee with only a 3t and eyes still strained.It cannot be proven, nor disproved.
You must be registered for see imagesYou must be registered for see imagesYou must be registered for see imagesEye strain? Check.You must be registered for see images
Only one eye use? Check.
MS always used? Check.
Inverted Black and White scale? Check.
All points lead to Tsukuyomi, albeit weaker than Itachi's.