Seeing Light Retake Review

A farsighted person ___.

• needs eyeglasses to read a book

• should wear eyeglasses with concave lenses

• can see near objects clearly

• can see distant objects clearly

What types of lens would help someone who is farsighted (Their eyeball is too short)?

• Concave Lens

• Mirror Lens

• Convex Lens

• Plane Lens

___ are cells that distinguish among black, white, and shades of gray.

• Rods

• Cones

• Iris

• Pupil

The lens of your eye is a ___ lens.

• Concave

• Convex

• Plane

• Mirror

The transparent front surface of the eye that also protects the eye and bends light as it enters the eye.

• Cornea

• Iris

• Pupil

• Optic Nerve

• Retina

The ring of muscle that contracts and expands to change the amount of light that enters the eye.

• Retina

• Optic Nerve

• Pupil

• Iris

• Cornea

The part of the eye that looks black and is actually a hole that allows light to enter the eye.

• Cornea

• Iris

• Pupil

• Optic Nerve

• Retina

The layer of light-sensitive cells that line the inside of the eyeball.

• Cornea

• Iris

• Pupil

• Optic Nerve

• Retina

What colors of light do the cones detect?

• Red

• Magenta

• Cyan

• Blue

• Green

The lens in your eye creates a ___ image on your retina.

• Real

• Virtual

• Right-side Up