Visual Practical Flashcards
1
Q
How to determine the angle between two cones in the fovea?
A
You need to know their actual separation S and the focal length of the Eye F.
57.3 x s/f degrees
2
Q
What is the chart with circles called?
A
Landlord C test chart
3
Q
Loss of red pigment is called?
A
Protanopia
4
Q
Loss of green pigment is called?
A
Deuteranopia
5
Q
Loss of blue cone pigment is called?
A
Tritanopia
