Understanding the Parts of the Eye

The video tutorial explains the parts of the eye and their functions. It covers the lacrimal gland, eyelids, eyebrows, eyelashes, cornea, iris, pupil, retina, eye lens, and optic nerve. Each part's role in vision and protection is discussed, along with common vision problems and their solutions.

What is the primary function of the eye?

• To protect the brain

• To regulate body temperature

• To collect and transmit visual information

• To produce tears

Which part of the eye is responsible for producing tears?

• Retina

• Cornea

• Lacrimal gland

• Eyelids

How do eyelashes help protect the eyes?

• By shielding from dust and sunlight

• By focusing light

• By transmitting information to the brain

• By producing tears

What role does the cornea play in vision?

• It controls eye color

• It focuses light on the retina

• It transmits signals to the brain

• It produces tears

What happens to the pupil in bright light?

• It produces tears

• It dilates

• It changes color

• It contracts

Where is the retina located?

• In the middle of the eye

• On the eyelid

• At the back of the eyeball

• At the front of the eye

What is the function of the optic nerve?

• To carry visual information to the brain

• To produce tears

• To control the amount of light entering the eye

• To focus on distant objects

Why might elderly people experience blurred vision?

• Due to an enlarged pupil

• From excessive tear production

• Because of a loss of focus ability in the eye lens

• Due to a malfunctioning retina

What is a common solution for vision problems?

• Surgery

• Wearing glasses

• Using eye drops

• Taking vitamins

What is the term for vision loss?

• Cataract

• Blindness or visual impairment

• Myopia

• Astigmatism