Ace the Certified Ophthalmic Assistant Exam 2025 – Eye-Opening Success Awaits!

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Which drug is used for applanation tonometry?

Latanoprost

Proparacaine

Proparacaine is the correct drug used for applanation tonometry. Applanation tonometry is a procedure to measure intraocular pressure by flattening a small area of the cornea. Before performing this procedure, a topical anesthetic such as proparacaine is applied to the eye to ensure the patient's comfort during the test.

Among the other options:

- Latanoprost is a medication used to treat high pressure inside the eye due to glaucoma or other eye diseases.

- Atropine is a medication used to dilate the pupil for various purposes such as eye examinations or certain eye conditions.

- Cyclopentolate is another medication used to dilate the pupil and temporarily paralyze accommodation of the eye for exams or conditions like uveitis.

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Atropine

Cyclopentolate

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