P for Phosphenes #AtoZChallenge

That was an novel exercise.

broken blue bubbles

Phosphenes (singular-phosphene)

Meaning: a phenomenon characterized by the experience of seeing light without light actually entering the eye.

Etymology: Greek words phos (light) and phainein (to show)

Pronunciation: fos-feens

Usage in a sentence: “She squeezed her eyes shut, and enjoyed the show of phosphenes.”


Do this exercise right now. Don’t worry, it won’t hamper your blog-hopping abilities.
Shut your eyes. Press your fingers over your eyelids or rub your closed eyes.
Do you see any of the following patterns when you do this exercise?

Source: http://www.oubliette.org.uk/Three.html

What you’ve just done is the same thing that the ancient Greeks did and knew about. This colour filled image is called a phosphene. The creation of a phosphene has no magical explanation. It has been studied by Isaac Newton too! Here’s the theory (from Wikipedia):

The pressure mechanically stimulates the cells of the retina. Experiences include a darkening of the visual field that…

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Author: mpbyte

I am a Banker by profession & a Law graduate. Reading excites me and makes me think about it. I believe in social revolution for the good of mankind.

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