COA Keratometry

Wht is the technique used to measure the radius of curvature of the anterior corneal surface?

A-scan Keratometry Length Measurements
Keratometry is performed with a device called a ____.

Keratometer or Ophthalmometer
Give 3 ex in which keratometry measurement would be useful.

CL fitting, refractive sx, intra ocular lens calc, keratoconus
Keratometry is measured in _____.

Diopters
An unfocused eyepiece can lead to an error of ____.

1 diopter in the K reading
How many meridians are measured in keratometry?

2 meridians (usually 90 degrees apart)
The average K reading is ____.

43-44 diopters
Keratometry measures the _____ of the anterior curvature of the cornea.

central 3.3 mm

Author

Anonymous

117867

Card Set

COA Keratometry

Description

ophthlamic assistant review

Updated

2011-11-19T15:05:13Z

Show Answers