Definitions for "Phoropter"
A device consisting of a rotating disk with lenses that is placed in front of a patient's eyes to examine their refractive state.
An instrument used by the eye doctor to determine the degree of myopia (nearsightedness), hyperopia (farsightedness) or astigmatism that is present in the patient's eye.
Device containing lenses of varying strengths that help an eye doctor to determine a patient's prescription, whether he is near- or far-sighted, and if she has astigmatism. The patient sits in a chair and looks into the phoropter, and views an eye chart about 20 feet away. The doctor moves different lenses in front of each eye and asks the patient whether the vision is better or worse.
Abnormal sensitivity to and discomfort from light.