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Questions and Answers
Which instrument is used to measure the curvature of the anterior surface of the cornea?
Which instrument is used to measure the curvature of the anterior surface of the cornea?
- Retinoscope
- Keratometer (correct)
- Phoropter
- Auto-refractor
What is the purpose of a retinoscope?
What is the purpose of a retinoscope?
- To measure the curvature of the cornea
- To identify the eyewear prescription of a patient
- To assess the extent and axis of astigmatism
- To measure the refractive error of a patient's eyes (correct)
What instrument is used in subjective refraction to identify the eyewear prescription of a patient?
What instrument is used in subjective refraction to identify the eyewear prescription of a patient?
- Phoropter (correct)
- Keratometer
- Trial Lens and Frame
- Auto-refractor
What is the purpose of an auto-refractor?
What is the purpose of an auto-refractor?
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What is another name for a keratometer?
What is another name for a keratometer?
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