Certified Ophthalmic Assistant Practice Exam 2025 – All-in-One Guide to Exam Success!

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Which type of tonometer is mounted on a slit lamp?

Applanation

Goldmann

The tonometer that is specifically designed to be mounted on a slit lamp is the Goldmann tonometer. This device employs the applanation method for measuring intraocular pressure, which is crucial for detecting glaucoma.

The Goldmann tonometer uses a biprism to illuminate the cornea and measures the force required to flatten a specific area of the cornea to determine intraocular pressure. The slit lamp provides a stable and magnified view of the cornea, making it easier to accurately assess the pressure.

While applanation tonometry is indeed the underlying principle used in the Goldmann tonometer, the correct answer directly identifies the specific model recognized as being mounted on a slit lamp. This specificity is essential because there are different types of tonometers that operate using various principles, and not all are intended for use on a slit lamp.

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