COA Keratometry

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Author:
Anonymous
ID:
117867
Filename:
COA Keratometry
Updated:
2011-11-19 10:05:13
Tags:
ophthalmic assistant review
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ophthlamic assistant review
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  1. Wht is the technique used to measure the radius of curvature of the anterior corneal surface?
    A-scan Keratometry Length Measurements
  2. Keratometry is performed with a device called a ____.
    Keratometer or Ophthalmometer
  3. Give 3 ex in which keratometry measurement would be useful.
    CL fitting, refractive sx, intra ocular lens calc, keratoconus
  4. Keratometry is measured in _____.
    Diopters
  5. An unfocused eyepiece can lead to an error of ____.
    1 diopter in the K reading
  6. How many meridians are measured in keratometry?
    2 meridians (usually 90 degrees apart)
  7. The average K reading is ____.
    43-44 diopters
  8. Keratometry measures the _____ of the anterior curvature of the cornea.
    central 3.3 mm

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