Certified Ophthalmic Assistant Practice Exam

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What type of image does an A-scan display present?

  1. Multiple circular images

  2. Layered composite images

  3. Single linear image

  4. 3D rotational image

The correct answer is: Single linear image

An A-scan display presents a single linear image rather than multiple circular images (A), as it is typically used to produce cross-sectional views of the eye. Layered composite images (B) and 3D rotational images (D) are also not applicable as an A-scan is not used to create these types of images.

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