Certified Ophthalmic Assistant Practice Exam

Question: 1 / 400

What color is the light filter used in applanation tonometry?

Green

Blue

The light filter used in applanation tonometry is typically blue in color. This specific color helps enhance the visibility of the fluorescein dye that is used during the procedure. The blue filter allows for better contrast and visibility of the corneal surface, which is crucial for accurately measuring the intraocular pressure.

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Yellow

Red

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