COA Flashcards - Tonometry 4% of exam
The Goldmann applanation tonometer prism is best cleaned between patients with _____.
Hydrogen peroxide soaks or 1:10 bleach solution
Checking the calibration of a Goldmann applanation tonometer is performed with a _____.
Balance or calibration rod
Which dye solution is used when performing Goldmann applanation?
Fluorescein dye
What is the diameter of the corneal area properly applanated by a Goldmann tonometer?
3.06mm
Measuring intraocular pressure is also called _____.
Tonometry
The higher the intraocular pressure of an eye, the _____ the eye
Harder
Applanation tonometry displaces less than _____ of aqueous.
0.5 microliters
When recording intraocular pressure, the reading on the Goldmann applanation tonometer scale should be multiplied by _____.
Ten
What is the normal range of intraocular pressure?
13-20mm Hg
Which method of tonometry is described as the measurement of the amount of pressure needed to flatten the cornea by a standard amount?
Applanation tonometry
What measurement error is produced when the fluorescein rings are too narrow during applanation tonometry?
Falsly low reading
What measurement error is introduced when a patient, holding his/her breath or wearing a collar that is buttoned too tightly, is applanated?
Falsely high reading
