Keratometry Flashcards
1
Q
What type of corneal astigmatism does a keratometry reading of 42.25/44.75×90 indicate?
A. None
B. Oblique
C. With – the – rule
D. Against – the - rule
A
C. With - the - rule
2
Q
The purpose of keratometry is to measure the
A. Thickness of the corneal stroma
B. Curvature of the anterior corneal surface
C. Diameter of the horizontal cornea
D. Diameter of the vertical cornea
A
B. Curvature of the anterior cornea surface
3
Q
Which process is useful for measuring corneal astigmatism?
A. Lensometry
B. Keratometry
C. Tonometry
Biometry
A
B. Keratometry
4
Q
The results of keratometry can be expressed in
A. Cubic mm.
B. mm Hg
C. Centimeters
D. Diopters
A
D. Diopters
