how we see things

Post on 08-Aug-2015

1.255 Views

Category:

Education

2 Downloads

Preview:

Click to see full reader

TRANSCRIPT

How We See Things?

Can you see the number?

What can you see in this picture?

Do you know?Light reflected by an object

Reflected light enters the eye

Formation of image

Signals sent to the brain

Object identified

-Reflected light enter the eye through the pupil-- the lens bend the light rays and focuses them onto the retina.

-An image is formed on the retina

- Nerve impulses are sent from the retina to the brain through the optic nerve.

-The brain identifies the object based on the nerve impulses received.

top related