The superior oblique is one of the extraocular muscles responsible for eye movement.

The inferior oblique is one of the extraocular muscles responsible for eye movement.

They are my friends.

Object permanence is the understanding that objects continue to exist even when they cannot be seen or heard.

This programming language is object-based.

Morbid obesity is a serious health condition that requires medical intervention.

Obi-Wan Kenobi is a trusted mentor to Luke Skywalker.

The Obi-Wan Kenobis gathered for a Jedi council meeting.

Oblivious transfer is a cryptographic protocol that allows a sender to transfer a message to a receiver without revealing the message to the sender and without the receiver learning anything about the message.

The BL Lac object is a type of active galactic nucleus.