Which of the following is not a source of error in the applanation tonometry:
Correct Answer: Tear film
Description: Tear film is required for accurate measurement , is not a source of error. Sources of error in tonometry: Inappropriate fluorescein pattern. Pressure on the globe. Central Corneal thickness. Corneal edema. Pulse pressure. Astigmatism. Incorrect calibration. Wide pulse pressure.
Category:
Ophthalmology
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