How the Human Eye Functions Like a Camera

The video explains the similarities between eyes and cameras, focusing on how both capture and process light to form images. It details the parts of the eye, such as the cornea, sclera, iris, pupil, lens, and retina, and their roles in vision. The video also covers how the brain processes images and the protective features of the eye, including eyelids, eyelashes, tear glands, and the conjunctiva.

How do cameras and human eyes similarly process images?

• Both capture light through lenses and initially record images upside down.

• Both use a digital chip to store images.

• Both use film to develop images.

• Both have a shutter that controls light entry.

What is the function of the cornea in the human eye?

• It changes shape to focus light.

• It is the colored part of the eye.

• It covers the front of the eye and is transparent.

• It carries messages to the brain.

Which part of the eye adjusts to control the amount of light entering?

• The iris

• The sclera

• The retina

• The cornea

What role do the tear glands play in eye protection?

• They change the shape of the lens.

• They carry images to the brain.

• They keep the eyeballs clean and moist.

• They filter out dust and dirt.

What happens to the blood vessels in the conjunctiva when your eyes are sore?

• They get bigger and make the eyes look red.

• They disappear.

• They become smaller.

• They change color.