Chap 14 Flashcards
Images perceived by the brain
Virtual images
A plane mirror has what kind of mirror
Flat smooth
This lens has a thinner/skinny middle
Concave lenses
Convex lens has what kind of middle
Thicker
Focal point
Center of the mirror to the focal point
How light enters the eye
1) the light enters the eye through the cornea it bends the rays
2) it then travels through the pupil
3) behind the pupil is a convex lens that directs the light to the retina
Nearsighted people can’t see
They can’t see far away
Farsighted can’t see
They can’t see close up
Farsighted people use what type of lens to correct their eye sight
Farsighted
Concave lens used to correct vision
Nearsighted people
Astigmatism
The cornea is unevenly shaped