Theories of Vision
- •
What it is
- •
historical competing explanations for how human vision works — myth vs. eventual scientific understanding
- •
- •
Emission theory
- •
proposed by Euclid (~300 BCE) — held that the eye emits light, which then illuminates objects to allow sight
- •
- •
Intromission theory
- •
proposed by Ibn al-Haytham — correctly held that the eye receives (captures) light coming from outside, rather than emitting it
- •
- •
Related