Here are some words that start with the prefix "ocu":
* Ocular: Relating to the eye.
* Oculist: An eye doctor (an older term for ophthalmologist).
* Oculomotor: Relating to eye movement.
* Oculomotor nerve: The nerve that controls eye movement.
* Oculopathy: Any disease or disorder of the eye.
* Oculonasal: Relating to the eye and nose.
* Oculogyric: Relating to the rolling or turning of the eye.
* Oculomotor: Relating to the movement of the eye.
* Oculogyric crisis: A condition characterized by involuntary upward rolling of the eyes.
Let me know if you'd like to explore any of these terms in more detail!