A phoropter or refractor is an ophthalmic testing device. It is commonly used by eye care professionals during an eye examination, and contains different...

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...

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...

lenses used in refraction testing Ishihara Plate 9 Ishihara Plate 23 A phoropter NdYAG Laser Lacrimal canula Ophthalmology Oral & Practical 3rd edition...

eyes for spectacles is done with modern instruments, such as the phoropter. "Phoropter" is one of several generic names for modern instruments containing...

cross cylinders in a phoropter may be used to subjectively refine those measurements. An alternative technique with the phoropter requires the use of a...

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...

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...

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...

refractor-objective refraction; or trial lenses in a trial frame or a phoropter to obtain a subjective examination. Ancillary tests for abnormal structures...

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...

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...

cylinders in a phoropter or trial frame may be used to subjectively refine those measurements. An alternative technique with the phoropter requires the...

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...

screening Visual electrodiagnosis Retinoscopy and refraction, such as using a phoropter to assess refractive errors Further activities Specific outpatient waiting...

eyeglasses. Optometer (ophthalmic instrument), the earliest name for a phoropter, for refracting vision for eyeglasses. This disambiguation page lists...

and other subpopulations. For example, Luer-Lok (Luer lock), Phoroptor (phoropter), and Port-a-Cath (portacath) have genericized mind share among physicians...

orthoptist, ophthalmologist or optometrist during an eye examination using a phoropter. After the patient's distance correction is established, she or he is...

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...

regulate polarization and enhance function of excitable cells Adaptic optic phoropter for automated vision correction and Tunable light field camera in use...

orthoptist, ophthalmologist or optometrist during an eye examination using a phoropter. After the patient's distance correction is established, the patient is...

of the trial frame allow holding lenses in correct position. Although phoropters, which contains lenses allow a quicker refraction, the trial frame help...

An optical refractor (phoropter) in use....

Awards, Innovation [11] 2003 R&D 100 Award[12], MEMS Based Adaptive Optics Phoropter Adaptive optics Deformable mirror The era of adaptive optics Modulation...