The main idea of this passage is:
scientists in Belgium are concerned about the visually impaired.
scientists have tested their device on two patients.
scientists invented a device to help blind people see.
many people are blind from a damaged retina.
Which of the following does not necessarily support the main idea?
The scientists are in Belgium.
The device includes special glasses for the patient to wear.
Scientists need to implant a device behind the patient's eye.
The device sends messages to the optic nerve.
Before the device stimulates the optic nerve,
a visual message goes to the brain.
the person is aware of what he or she is seeing.
a camera is mounted on glasses.
all of these
The retina:
will have a tiny camera implanted to work with this system.
picks up visual information as light.
determines what color eyes you have.
protects the eye.
How many patients have seen improvement with this new device, according to the passage?
None yet - it is all theory
Two, which is promising
Eighty percent, which is an excellent success rate
