How we see Flashcards
How do we see things?
When a luminous object produces light, it reflects off of a non-luminous and into your eye.
What is pinhole camera?
A pinhole camera is a box with a tiny hole
What does a lens do?
It refracts light.
What does a convex lens do?
It bulges outward which causes rays of light to move together to a focus.
What is a retina?
It is at the back of your eye and is where the image is formed.
What is the cornea?
The cornea does most of the eye focusing.
What is a convex lens?
It changes shape to focus light from different distances.
What is the iris?
It controls how much light enters the eye.
How does they eye work?
What happens is that the light reflecting of the object goes into your eye but the light rays cross over which makes the image seem upside down. However we see it the right way up because the brain sends a message to they so it turns the right way up.
