Vision Crash Course

What percentage of all sensory receptors in the human body are located in the eyes?

• About 50%

• Nearly 70%

• Around 30%

• More than 80%

Tags

NGSS.MS-LS1-8

What does the frequency of a light wave determine?

• Its speed

• Its hue

• Its brightness

• Its amplitude

What is the condition called when an eyeball pops out?

• Retinal detachment

• Corneal abrasion

• Optic nerve damage

• Globe luxation

What part of the eye is responsible for its color?

• The sclera

• The lens

• The iris

• The cornea

How many types of photoreceptors do humans have?

• Four

• Three

• Two

• One

What do cones in the eye detect?

• Fine detail and color

• General shapes and light intensity

• Depth perception

• Motion detection

Tags

NGSS.MS-LS1-8

What causes the afterimage effect in the flag illusion?

• A temporary blindness

• The brain's misinterpretation of colors

• Photoreceptors continuing to fire after looking away

• Damage to the optic nerve

Tags

NGSS.MS-LS1-8

What layer of the eye contains the photoreceptors?

• The fibrous layer

• The vascular layer

• The inner layer

• The outer layer

What happens to cones when they are exposed to the same stimulus for too long?

• They become more sensitive

• They stop responding

• They multiply

• They change color

Tags

NGSS.MS-LS1-8

What is the role of the optic nerve?

• To protect the eye from damage

• To carry impulses to the brain

• To focus light onto the retina

• To adjust the size of the pupil

Tags

NGSS.MS-LS1-8