Parts of Eyes and Their Functions

What is the function of the cornea in the eye?

• To produce tears

• To focus light into the eye and act as a protective barrier

• To regulate body temperature

• To detect colors

Which part of the eye controls the amount of light entering the eye?

• pupil

• iris

• cornea

• retina

What is the purpose of the iris in the eye?

• Help with hearing

• Control blood flow

• Regulate the amount of light entering the eye

• Aid in digestion

What is the function of the lens in the eye?

• To focus light onto the retina

• To control eye movement

• To regulate body temperature

• To produce tears

Which part of the eye contains photoreceptor cells?

• Lens

• Iris

• Retina

• Cornea

What is the role of the retina in vision?

• The retina filters out harmful UV rays from entering the eye.

• The retina produces tears to lubricate the eyes.

• The retina converts light into neural signals for visual processing.

• The retina controls eye movement during vision.

What is the function of the optic nerve in the eye?

• Regulate blood flow in the eye

• Transmit visual information from the eye to the brain.

• Produce tears for lubrication

• Control eye movement

Which part of the eye is responsible for producing tears?

• Cornea

• Pupil

• Retina

• Lacrimal gland

What is the purpose of the ciliary body in the eye?

• To secrete tears

• To regulate pupil size

• To produce aqueous humor and maintain intraocular pressure

• To detect light intensity

Which part of the eye is responsible for focusing on objects at different distances?

• Pupil

• Lens

• Retina

• Cornea