![Pantheon, view looking up at entry vestibule, showing oculus window, dome and coffers, built under Emperor Hadrian (118-25 CE), Rome, Italy Stock Photo - Alamy Pantheon, view looking up at entry vestibule, showing oculus window, dome and coffers, built under Emperor Hadrian (118-25 CE), Rome, Italy Stock Photo - Alamy](https://c8.alamy.com/comp/P14339/pantheon-view-looking-up-at-entry-vestibule-showing-oculus-window-dome-and-coffers-built-under-emperor-hadrian-118-25-ce-rome-italy-P14339.jpg)
Pantheon, view looking up at entry vestibule, showing oculus window, dome and coffers, built under Emperor Hadrian (118-25 CE), Rome, Italy Stock Photo - Alamy
![In the second storey is a large oculus or round window in a square frame with circular moldings and fleur-de-lys in the corners. In between the pilasters are heraldic shields in relief In the second storey is a large oculus or round window in a square frame with circular moldings and fleur-de-lys in the corners. In between the pilasters are heraldic shields in relief](https://media-cdn.tripadvisor.com/media/photo-s/1b/e9/24/59/in-the-second-storey.jpg)
In the second storey is a large oculus or round window in a square frame with circular moldings and fleur-de-lys in the corners. In between the pilasters are heraldic shields in relief
![Natural light shining through the oculus window. - Cochran Chapel at Phillips Academy Andover | Oculus window, Classical architecture, Andover Natural light shining through the oculus window. - Cochran Chapel at Phillips Academy Andover | Oculus window, Classical architecture, Andover](https://i.pinimg.com/736x/99/59/62/995962e0d6eb0ca3f196a14fdd10e87d.jpg)