Written Flashcards
0
Q
BCB
A
Steep fit
1
Q
The keratometer measures ____mm of the cornea
A
3-4mm
2
Q
CBC
A
Flat fit
3
Q
Topogometer
A
Scale like grid to measure sections of the cornea
4
Q
If you can’t see the - signs in the keratometer:
A
tell pt to open their eyes big and stair.
5
Q
Too much polishing of a lens will do what ?
A
Burn the optics
6
Q
Fit too steep= creating a __tear
A
A + tear
7
Q
Fit too flat=creating a ___ tear
A
A - tear
8
Q
Range of keratometer
A
36.00-52.00D
9
Q
Extended range of keratometer
A
30.00-61.00D
10
Q
If residual astigmatism is a plus power then it is (over or under) corrected ?
A
Over corrected
