Medical Definition of Refraction test

  • Medical Author:
    Melissa Conrad Stöppler, MD

    Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.

Reviewed on 10/30/2018

Refraction test: Also termed vision test, the refraction test is an examination that tests an individual's ability to see an object at a specific distance. The test is performed by an optometrist or ophthalmologist in the doctor's office. The refraction test involves looking through a device to read letters or recognize symbols on a wall chart through lenses of differing strength which are moved into and out of the device. This test is performed as part of a normal examination of the eye to determine whether an individual has normal vision. It is also used to determine the prescription for eyeglasses or contact lenses.

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The colored part of the eye that helps regulate the amount of light that enters is called the: See Answer

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Reviewed on 10/30/2018