
Originally Posted by
Majere
So it's right to assume that power isn't lost, but rather enhanced and so, like the majority of powers in different mangas, the evolution is recognized by a chance in appearance.
The rinnegan may not show the sharigan tomoes but that doesn't mean that it isn't capable of similar function (view things very slow from the user's point), but it rather evolved to the point that it doesnt need to be contained in a pair of eyes, because the rinnegan user, can summon/use other bodies with rinnegan, and so all the eyes are linked (like we see on the pain vs jiraya and pain vs naruto), so the tomoes/sharigan ability, has evolved and not been lost.
That's why, edo madra, had to change from sharigan to rinnegan and back again to rinnegan in the fight agaisnt the kages, because in rinnegan eyes, he has the evolving powers if sharigan, and so, not able to use that power/ability of sharigan level eyes, and vice versa.
Bookmarks