4-4 Seeing Light

The transparent front surface of the eye is called the

• retina

• pupil

• iris

• cornea

A nearsighted person

• can see distant objects clearly

• can see near objects clearly

• needs eyeglasses to read a book

• should wear eyeglasses with convex lenses

The lens of the eye is held in place by the

• ciliary muscles

• optic nerve

• rods and cones

• brown, blue, green or hazel iris

The pupil becomes smaller in

• an eye with astigmatism

• a nearsighted eye

• bright light

• dim light

Which part of the eye gives it it's "color"

• retina

• pupil

• iris

• cornea

Nearby objects would appear blurry to a ___________________ person

• nearsighted

• farsighted

The process of sight involves three organs: your two eyes and your ____________________

• retina

• iris

• cornea

• brain

The lens and the ____________________ refract light to focus the image

• iris

• pupil

• cornea

• rods and cones

_____________ lenses enable a farsighted person to see more clearly

• convex

• concave

• flat

• double concave

Why does the size of the pupil change?

• To allow more or less color into the eye

• To refract the light to focus the image

• To allow more or less light into the eye

• To reflect the light to focus the image