The Fascinating World of How Your Eyes Work

The video tutorial explains how human eyes function similarly to a digital camera. It covers the roles of the cornea, iris, pupil, lens, and retina in processing light and transmitting signals to the brain. An experiment demonstrates the lens's focusing ability. The video concludes with fun facts about eyes and encourages viewers to subscribe for more content.

What is one of the primary functions of the eyes?

• To smell scents

• To taste food

• To see colors

• To hear sounds

What part of the eye is similar to a camera lens?

• Retina

• Optic nerve

• Iris

• Cornea

How does the iris function in the eye?

• It transmits signals to the brain

• It focuses light

• It perceives images upside down

• It decides the amount of light entering the eye

What happens to the pupil when the amount of light changes?

• It becomes blurry

• It changes color

• It stretches and contracts

• It transmits signals

What is the role of the lens in the eye?

• To perceive images upside down

• To decide the amount of light entering

• To transmit signals to the brain

• To focus and defocus light

What does the retina do with the light it receives?

• It stores it as memories

• It converts it into electronic signals

• It changes its color

• It reflects it back

How does the brain help in seeing the correct image?

• It stores the image as a memory

• It changes the color of the image

• It flips the image right side up

• It focuses the image

How many times does a person blink on average in a minute?

• 10 times

• 17 times

• 25 times

• 30 times

What is the eye composed of?

• A single working part

• Only the cornea and lens

• Just the retina and optic nerve

• More than 2 million working parts

In what form do our eyes store images?

• As digital photos

• As memories

• As printed pictures

• As videos