What is an Iris?
A flat, Colored, Ring-shaped membrane behind the cornea.
Who is Helen Keller
A blind and deaf girl who overcomes her disabilities and pursues her life going on to be an author, Political activist, and Lecturer.
What is the cerebellum used for?
The cerebellum coordinates voluntary movements such as posture, balance, coordination, and speech
Frontal Lobe
controls important cognitive skills in humans, such as emotional expression, problem solving, memory, language, judgment
What is the eye lens?
A piece of glass or other transparent substance with curved sides for the cones and rods
What is a retina?
The second layer at the back of the eye connected to the optic nerve.
What were some of Hellen's struggles?
Hellen was blind and deaf, So she never truly learned to speak and communicate what she needed.
What is the brain stem used for?
The brain stem controls the flow of messages between the brain and the rest of the body
Partial Lobe
Controls the senses
What is your eyebrow?
The strip of hair growing on the ridge above a persons eye socket.
What is vitreous humor?
A transparent gelatinous tissue filling the eyeball.
Who was her teacher?
Anne Sullivan
Cerebral Cortex
The Thin layer in front of the lobes.
Temporal Lobe
memory, speech perception, and language skills.
What are Eyelashes?
Each of the short curved hairs growing on the edges of the eyelids, serving to protect the eyes from dust particles.
What is the field of vision?
The visual field refers to the total area in which objects can be seen in the side vision as you focus your eyes on a central point
How did her parents treat her when she was young?
They treated her as if she was a pet.
Tactile Illusions
An illusion that affects the sense of touch
Occipital Lobe
recognizing objects, an inability to identify colors, and trouble recognizing words.
Explain what Aqueous Humor is.
The clear fluid filling the space in the front of the eyeball between the lens and the cornea.
What do cones and rods do?
Rods are responsible for vision at low light levels, And cones are what make you see better in bright light.
How did Hellen lose her sight and hearing?
She got a very bad illness that couldn't be cured and she lost her sight and hearing
Optical Illusions.
Something the the eye deceives the eye by appearing to be other than it appears
What is the Optic Nerves?
Each of the second pair of cranial nerves, transmitting impulses to the brain from the retina at the back of the eye.