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Ophthalmic Technician

Category - Keratometry, Tonometry, and Refractometry

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Which is the most accurate method of measurement of intraocular pressure?

Schiotz tonometer
Air puff tonometer
Applanation tonometer
Digital tonometer

Explanation

Answer: C - Applanation tonometer is considered as the most accurate method of measuring intraocular pressure because the area of contact of the tip of the instrument with the cornea is so small that the ocular volume change caused by it does not significantly alter the intraocular pressure.

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