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Refraction and Glasses Exam

  • Ji-Eun Lee
Chapter

Abstract

The objective refraction include skiascopy, retinoscopy, and shadow test is to check and correct the refractive error of patients. The subjective refraction is used to correct the glasses prescription which is obtained from the objective refraction. The glasses prescription records the patient’s information, spherical lens, cylindrical lens, axis, pupillary distance, and specify the near or far use. To confirm the glasses have appropriate power or the glasses are properly made as prescribed, the power of the lens, the optical center, the principal meridian direction, and the prism power and the base direction should be exactly examined.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Ji-Eun Lee
    • 1
  1. 1.Department of OphthalmologyPusan National University School of MedicineBusanSouth Korea

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