are the lights you see when coughing in the dark, your brain lighting up reflected to your optic nerve from ba

Question

Could those lights be the front part of your brain reflected by the back side of your eyelens to your optical nerve, only visible when your eyes are either shut, or you're in the dark?

Answer 1

The rapid increase in pressure causes some of the nerves on your retina to fire, sending random signals to the visual part of your brain (optical cortex). You can cause a similar phenomena by GENTLY pressing on your eyeball in a dark room with your eye closed. Cheap fireworks!!

Answer 2

No these lights are from the glowworms that live in your throat, which are thrown up into your eyesockets when you cough