Distance/dioptre conversions Flashcards
1
Q
What is the dioptric value of 33cm?
A
3D
2
Q
What is the dioptric value of 40cm?
A
2.50D
3
Q
What is the dioptric value of 44cm?
A
2.25D
4
Q
What is the dioptric value of 50cm?
A
2D
5
Q
What is the dioptric value of 57cm?
A
1.75D
6
Q
What is the dioptric value of 67cm?
A
1.50D
7
Q
What is the dioptric value of 80cm?
A
1.25D