autorefraction

autorefraction 

1. A procedure of refraction in which the patient adjusts the controls of the instrument.
2. Refraction carried out with an electronic optometer which is fully objective, generally using infrared light and which can be operated by a non-specialist. See infrared optometer; refractive error.
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Most of us keep a watching brief and try to ensure that we are compliant with the spirit and letter of the contract, despite the fact that a one-shot sight test is just about the worst way to deliver primary eye care, short of autorefraction.
CEO Reade Fahs said: "The SVOne technology is quite advanced and is destined to play an important role in both screenings and autorefraction.
The RK-F2 Full Auto Ref-Keratometer, Canon's newest Eyecare instrument, features a compact design - weighing 11 pounds less than its predecessor, and simplifies the standard autorefraction and keratometry measurement procedure to just one step.
Evaluation included a dilated ophthalmoscopic exam to detect DR, early and advanced AMD, and optic nerve cupping due to glaucoma; and autorefraction to detect URE at published sensitivities and specificities (Moss et al.
The RK-F2 Full Auto Ref-Keratometer,Canon's newest Eyecare instrument, features a compact design - weighing 11 pounds less than its predecessor, and simplifies the standard autorefraction and keratometry measurement procedure to just one step.
While they are not expected to perform autorefraction and take retinal photographs, other preliminary tests such as visual fields and IOP readings would be appropriate to complete.
Since early identification of risk factors increases a patient's chances for complete recovery, the policy statement asserts, "Photoscreening and handheld autorefraction may be electively performed in children 6 months to 3 years of age.
The KR-800S incorporates subjective visual acuity testing for far and near distance, along with the latest autorefraction technology.
Incorporating corneal topography, aberrometry autorefraction and autokeratometry all in one device, the OPD-Scan allows simultaneous data acquisition in 0.
The Canon RK-F2 Full Auto Ref-Keratometer is the Company's newest Eyecare product, and features a compact design, weighs 11 pounds less than its predecessor, and simplifies the standard autorefraction and keratometry measurement procedure to just one step.
In the author's experience however, relying on autorefraction results with such patients does not necessarily give an accurate refraction.

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