A hole in the retina is a small opening that forms in the light-sensitive part of the eye. Such holes can develop anywhere in the retina but may occur in the center, an area called the macula.

Medically reviewed by Christine L. Larsen, MD The pupil is the opening located in the center of the iris of the eye. It controls the amount of light that enters the eye so that you can see clearly ...

In other words, this just means if you're seeing a ballooning black hole right now, your pupils are probably dilating, or increasing in diameter, as they would if the hole were legitimately expanding.

image: The 'expanding hole' is an illusion new to science, strong enough to prompt the human eye pupils to dilate in anticipation of entering a dark space. view more Credit: Laeng, Nabil, and Kitaoka ...

“The Eye was rimmed with fire, but was itself glazed, yellow as a cat’s, watchful and intent, and the black slit of its pupil opened on a pit, a window into nothing.” — J.R.R. Tolkien ...

Image is altered The striking two-pupil eye in the Facebook post was first published online to Flickr in 2006, where two versions of the image were shared by the same creator.

Mark Boucher, the former South Africa wicketkeeper, lost the lens, iris and pupil in the eye injury which forced him to announce his international retirement, he said Wednesday.