Phoropter
Ophthalmic testing device
A phoropter or refractor is an ophthalmic testing device. It is commonly used by eye care professionals during an eye examination, and contains different lenses used for refraction of the eye during sight testing, to measure an individual's refractive error and determine their eyeglass prescription.
Nº Q1816480 ★★
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Phoropter
Ophthalmic testing device
A phoropter or refractor is an ophthalmic testing device. It is commonly used by eye care professionals during an eye examination, and contains different lenses used for refraction of the eye during sight testing, to measure an individual's refractive error and determine their eyeglass prescription.
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A phoropter or refractor is an ophthalmic testing device. It is commonly used by eye care professionals during an eye examination, and contains different lenses used for refraction of the eye during sight testing, to measure an individual's refractive error and determine their eyeglass prescription. It also is used to measure the patient's phorias and ductions, which are characteristics of binocularity.
Texto: Wikipédia em inglês, CC BY-SA 4.0. · Imagem: User:Sugarcaddy (Public domain) ·
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