The Eye Flashcards
1
Q
Which receptor cells belong to the retina?
A
The cone and rod cells
2
Q
What are cone cells sensitive to?
A
The colour of Light
3
Q
What are rod cells sensitive to and what colour do they make you see in the dark?
A
Light and Black and White
4
Q
What does the lens do?
A
Change its shape
5
Q
State two properties of the cornea?
A
Transparent, No blood vessels
6
Q
What does the optic nerve do?
A
Transmits all the impulses generated by the receptor cells to the brain
7
Q
What happens to your pupils in bright light and why?
A
They constrict because bright light can cause damage to your retina
8
Q
What is myopia and how do you treat it?
A
When light refracts too much, and you cant see distant objects, glasses with concave lenses would fix this
