Eye Structure

Which structure is represented by the letter "E"?

• Sclera

• Lens

• Optic Nerve

• Retina

Which structure acts as the eye's outermost lens that controls and focuses the entry of light into the eye

• Cornea

• Sclera

• Retina

• Optic Nerve

Which structure is the opening where light enters the eye?

• Pupil

• Sclera

• Iris

• Blind Spot

Which structure controls the amount of light entering the eye by changing the size of the pupil?

• Pupil

• Sclera

• Iris

• Optic Nerve

What is the dark opening in the middle of the iris?

• lens

• pupil

• optic nerve

• cornea

Cones are light sensitive cells in the retina that

• give you color vision in bright light

• respond in dim light

• give you color vision in dim light

• respond in bright light

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

Which structure supports eyeball, helps keep its shape, and provides attachment for movement muscles?

• Pupil

• Sclera

• Iris

• Optic Nerve

Which structure converts light waves to electrical signals that the brain uses to understand what it is seeing?

• Lens

• Sclera

• Retina

• Iris

Which structure is represented by the letter "A"?

• Cornea

• Sclera

• Lens

• Iris

Tags

NGSS.MS-LS4-2