A phoropter or refractor is an ophthalmic testing device. It is commonly used by eye care professionals during an eye examination, and contains different...
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The prescription is typically determined during a refraction, using a phoropter and asking the patient which of two lenses is better, or by an automated...
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responses from the patient. Typically, the patient will sit behind a phoropter or wear a trial frame and look at an eye chart. The eye care professional...
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lenses used in refraction testing Ishihara Plate 9 Ishihara Plate 23 A phoropter NdYAG Laser Lacrimal canula Ophthalmology Oral & Practical 3rd edition...
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eyes for spectacles is done with modern instruments, such as the phoropter. "Phoropter" is one of several generic names for modern instruments containing...
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cross cylinders in a phoropter may be used to subjectively refine those measurements. An alternative technique with the phoropter requires the use of a...
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off. At the optometrist, Heidi angrily confronts Larry and slams the phoropter against his eyes. Larry, with blurry vision again, rear-ends a woman with...
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subjective refraction tests. Here, lenses are switched in and out of a phoropter and the patient is asked "which looks better" while looking at a chart...
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the patient's eye with the same effective power that it did through the phoropter or trial frame. Vertex distance is important when converting between contact...
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refractor-objective refraction; or trial lenses in a trial frame or a phoropter to obtain a subjective examination. Ancillary tests for abnormal structures...
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movement of the reflex or manually places lenses over the eye (using a phoropter or trial frame and trial lenses) to "neutralize" the reflex. Static retinoscopy...
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refraction (also known as refractometry) is a clinical test in which a phoropter may be used by the appropriate eye care professional to determine the...
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cylinders in a phoropter or trial frame may be used to subjectively refine those measurements. An alternative technique with the phoropter requires the...
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types of toiletries depending on if he is male or female. He also has a phoropter in order to test his vision and a Brannock foot measuring device to measure...
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screening Visual electrodiagnosis Retinoscopy and refraction, such as using a phoropter to assess refractive errors Further activities Specific outpatient waiting...
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eyeglasses. Optometer (ophthalmic instrument), the earliest name for a phoropter, for refracting vision for eyeglasses. This disambiguation page lists...
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and other subpopulations. For example, Luer-Lok (Luer lock), Phoroptor (phoropter), and Port-a-Cath (portacath) have genericized mind share among physicians...
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orthoptist, ophthalmologist or optometrist during an eye examination using a phoropter. After the patient's distance correction is established, she or he is...
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instrument for measuring vision was called an optometer, (before the terms phoropter or refractor were used). The root word opto is a shortened form derived...
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regulate polarization and enhance function of excitable cells Adaptic optic phoropter for automated vision correction and Tunable light field camera in use...
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orthoptist, ophthalmologist or optometrist during an eye examination using a phoropter. After the patient's distance correction is established, the patient is...
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of the trial frame allow holding lenses in correct position. Although phoropters, which contains lenses allow a quicker refraction, the trial frame help...
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An optical refractor (phoropter) in use....
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Awards, Innovation [11] 2003 R&D 100 Award[12], MEMS Based Adaptive Optics Phoropter Adaptive optics Deformable mirror The era of adaptive optics Modulation...
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