Eye Anatomy and Physiology

True/False: The tapetum helps with night vision.

• True

• False

The pupil is located at the center of the

• sclera

• iris

• retina

• nothing

The blind spot is created by the

• retina

• optic nerve leaving the eye through the retina

• nothing; we don't have one

The sclera is designed for

• strength

• clarity

What are the functions of eyelids and eyelashes

• to protect and rehydrate the eyes

• keep dirt out of the eyes

• keep debris out of the eys

• all of the above

The human eye is surrounded by how many muscles?

• 4

• 2

• 6

• 5

The optic nerve has a covering that helps protect and insulate it called the

• muscle fiber

• fat layer

• myelin sheath

• trash bag

What part of the eye is this?

• retina

• optic nerve

• fovea centralis

• choroid

The study of the form or structure of body parts

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Which part of the eye is responsible for focusing light onto the retina?

• Cornea

• Lens

• Iris

• Pupil