black part of the eye
pupil
to move back and forth rapidly
vibrate
people that cannot hear
deaf
blind man famous for singing
Ray Charles
you can see things that are near, but not far
nearsighted
colorful part of the eye
iris
like a drum that vibrates
eardrum
people that cannot see
blind
deaf and blind woman who accomplished many goals in life
Helen Keller
you can see things that are far, but not close
farsighted
part of the eye that focuses light
lens
3 parts of the ear
eardrum
gestures used to communicate
sign language
name of Helen Kellers helper
Annie Sullivan
lens you put right on your cornea to help you see
contact lenses
made up of special kinds of tissue that is sensitive to light. Sends messages to the brain.
retina
fluid filled coil in the middle ear
cochlea
type of system using raised bumps to communicate
braile
what was the first word Helen understood and how did she understand it?
water- Annie held her hand under the water and signed water
type of surgery to correct eyesight
LASIK
messages travel down this to the brain
optic nerve
sends messages to the brain
auditory nerve
name another way blind people can have help
guide dog or walking stick
name of the auto-biography Helen Keller wrote
The Story Of My Life
optician