Certified Ophthalmic Assistant Practice Exam

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Prepare for the Certified Ophthalmic Assistant Exam. Use flashcards and multiple choice questions, each with hints and explanations. Get ready for success!

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Which of the following techniques/tests can help identify astigmatism?

Keratometry
Slit lamp examination
Goldmann tonometry
Applanation tonometry

The correct answer is: Keratometry

Keratometry is the correct answer because it is a test specifically designed to measure the curvature of the cornea, which is essential in diagnosing astigmatism. Astigmatism is a refractive error caused by irregularities in the curvature of the cornea or lens of the eye, leading to distorted or blurred vision at all distances. By measuring the curvature of the cornea, keratometry can help quantify the degree and axis of astigmatism, aiding in the accurate prescription of corrective lenses and management of the condition. The other options are not used for identifying astigmatism: - Slit lamp examination is a tool used for examining the structures of the eye under magnification, but it is not specifically focused on diagnosing astigmatism. - Goldmann tonometry and applanation tonometry are both techniques used to measure intraocular pressure and are not related to the identification of astigmatism.