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Ophthalmic Assistant

Category - Keratometry, Tonometry, and Refractometry

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The keratometer measures

the refractive error of the eye.
depth perception.
symmetry of orbits.
the curvature of the anterior surface of the cornea.

Explanation

Answer: D - the curvature of the anterior surface of the cornea.
The keratometer measures the curvature of the anterior surface of the cornea. This is especially useful when diagnosing astigmatism or when fitting a patient with contact lenses.

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