Tomoe 1(one comma):
Able to see through minor genjutsu
Able to see through minor speed.

Tomoe 2(2 comma):
Able to see through moderate level genjutsu
Able to see moderate levels of speed
Copy lower level jutsu
Minor speed boost

Tomoe 3(3 comma):
See through major genjutsu
See through major speed
See major handseals(ninjutsu)
Copy higher level jutsu
Moderate speed boost

Mangkeyou(Kaleidoscope eyes)
See through most/all genjutsu
See through major speed
See major handseals(ninjutsu)
Copy jutsu with ease
Moderate speed boost

Permanent Mangkeyou (can only obtain from extracting another uchiha's eyes)
(same effects as mangkeyou, Gains more power to all mangkeyou attacks, takes less chakra)