Lecture 4 Flashcards
1
Q
What is light?
A
A narrow band of electromagnetic radiation that can be conceptualised as a wave or a stream of photons.
2
Q
What is the name for the transparent “window” into the eyeball?
A
Cornea.
3
Q
What is the aqueous humor?
A
The watery fluid in the anterior chamber.
4
Q
What is the lens inside the eye which focuses light onto the back of the eye called?
A
Crystalline lens
5
Q
What is myopia?
A
When light is focused in front of the retina and distant objects cannot be seen sharply; nearsightedness.
6
Q
What is it called when light is focused behind the retina and near objects cannot be seen sharply; farsightedness?
A
Hyperopia.
7
Q
What is astigmatism?
A
Unequal curving of one or more of the refractive surfaces of the eye, usually the cornea.
