who's theory that says eyes give light?

Answer 1

That must have been some natural philosopher way, way back in the day (since nobody in the last couple centuries would say that). It might have even been Newton. ?

Answer 2

Empedocles of Acragas


Empedocles was a Greek philosopher who is best known for his belief that all matter was composed of four elements: fire, air, water, and earth. Some have considered him the inventor of rhetoric and the founder of the science of medicine in Italy.

Answer 3

Plato proposed, in his theory of vision, that our eyes emit light which interacts with light outside us