HBS vision review

What is the pupil?

• organ

• hole

• muscle

What are the two jobs of a lens?

• focus and magnify
• focus and flip
• focus and see
• flip and see

Does concave or convex pop out at you?

• Concave
• Convex

Tags

NGSS.4-PS4-2

What does farsighted mean?

• You can see far away well.
• You can see close up well.
• You have perfect sight.
• You are blind.

Which of the following does NOT have a lens?

• camera
• eye
• binoculars
• window

What part of your eye sends the messages to and from your brain?

• retina
• optic nerve
• iris
• vitreous humor

What part of your eye is a muscle?

• iris
• sclera
• pupil
• retina

What parts of your eye protect your pupil so nothing gets in it?

• eyelid & cornea

• lens & retina

• iris & optic nerve

Which accessory structure of the eye produces an oily substances that helps lubricate the conjunctiva:

• ciliary glands

• tarsal glands

• lacrimal glands

• sudoriferous gland

In hyperopia, the lens is unable to refract the light into focus on the retina, instead it is refracted where:

• on the fovea centralis

• behind the retina

• in front of the retina

• on the optic disc