circular opening in the center of a dome or in a wall

Oculus is a Latin word which means "eye".[1] The hole in the ceiling of the Pantheon in Rome is called the Oculus.

Pantheon ceiling showing the oculus

A virtual reality headset from Facebook uses "Oculus" as a brand name.[2]

References change

  1. "Oculus - Definition and More from the Free Merriam-Webster Dictionary". merriam-webster.com. 2011. Retrieved 19 June 2011.
  2. "Quest VR Headsets, Games & Equipment | Meta Quest". store.facebook.com. Retrieved 2022-09-16.