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PHOTOREFRACTOR

An ophthalmic camera is an AC-powered device intended to take photographs of the eye and the surrounding area.
National Institutes of Health

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REFRACTOMETER, OPHTHALMICREFRACTOR, MANUAL, NON-POWERED, INCLUDING PHOROPTER

Papers overview

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2020
2020
Accuracy of noncycloplegic photorefraction using Spot photoscreener in detecting amblyopia risk factors in preschool children in an Indian eye clinic
Purpose: To evaluate the accuracy of Spot photoscreener (PS) as a noncycloplegic photorefractor in detecting amblyopia risk… 
2018
2018
Is 25 Hz enough to accurately measure a dynamic change in the ocular accommodation?
Review
2015
Review
2015
Abstracts from the 15th International Myopia Conference
Table of contentsO1 Changes in peripheral refraction associated with decreased ocular axial growth rate in marmosetsAlexandra… 
2005
2005
Study on infrared eccentric photorefractor
Photorefraction is a method which can fast determine the refractive error by capturing a frame of pupillary image remotely.In… 
2004
2004
Increased accommodation following adaptation to image blur in myopes.
Prolonged exposure to blurred images produces perceptual adaptation (M. A. Webster, M. A., Georgeson, & S. M. Webster, 2002). The… 
2002
2002
Efficiency of a video-autorefractometer used as a screening device for amblyogenic factors
AbstractBackground. High ametropia is known as a risk factor in developing amblyopia. The aim of the study was to evaluate the… 
1996
1996
Accuracy and Precision of the Tomey ViVA Infrared Photorefractor
Purpose. The Fortune Optical (Tomey ViVA) VRB-100 video refractor was tested to determine its accuracy and precision in measuring… 
1992
1992
Photorefractor for detection of treatable eye disorders in preverbal children.
Abnormalities of the optical media or alignment of the eyes during the period of visual immaturity may produce pathologic changes… 
1992
1992
Geometrical optical analysis of photorefractive methods
Photorefractive methods allow rapid measures of the refractive and accommodative state of infants and young children whose brief… 
1987
1987
Clinical evaluation of a commercial photorefractor.
The Visiscreen 100 is a system designed to detect ocular anomalies photographically. Photorefractions obtained in 63 consecutive… 
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