What does o.u. stand for?

o.u. stands for "Oculus Utro"

How to abbreviate "Oculus Utro"?

"Oculus Utro" can be abbreviated as o.u.

What is the meaning of o.u. abbreviation?

The meaning of o.u. abbreviation is "Oculus Utro"

What does o.u. mean?

o.u. as abbreviation means "Oculus Utro"