Originally posted by: DB_Hunter
I don't think they did.... Sasuke's dad only commented about the Mangekou Sharingan, which has already been shown in the series when Itachi used it on Kakashi and Sasuke... his eyes didn't become like they did in the flashback.
The flashback where Itachi's sharingan morphed hadn't been shown in the manga at the time Itachi was fighting Kakashi/Sasuke, so the animators didn't know to not show his eyes. The morphing sharingan in episode 130 is the Mangekyou sharingan.