Cómo vemos. Segunda parte: el cerebro

The video explains how the human eye and brain work together to create vision. It highlights the role of the macula and phobia in sharp color vision, the constant movement of the eyes, and how the brain processes and corrects images to form a coherent view of the world. The brain combines upside-down images from both eyes into a single, clear image without our conscious awareness.

What is the function of the phobia in the eye?

• It helps in night vision.

• It is responsible for sharp color vision.

• It detects motion.

• It filters harmful light.

How does the brain create a complete image from the eyes?

• By focusing on one eye at a time.

• By ignoring the images from one eye.

• By combining images from both eyes.

• By using only the left eye's image.

Why do we constantly move our eyes without realizing it?

• To adjust to different light conditions.

• To focus on different parts of the scene.

• To avoid eye strain.

• To synchronize with the heartbeat.

What does the brain do to the upside-down images projected on the retina?

• It flips them horizontally.

• It turns them right side up.

• It rotates them 90 degrees.

• It leaves them as they are.

What is the brain's role in vision?

• It only processes images from the left eye.

• It filters out all colors except red.

• It combines and corrects images from both eyes.

• It projects images directly onto the retina.