phoropter

Known as: phoropters

An instrument composed of multiple lenses that refract the light going into the subject's eye, allowing the examiner to determine the refractive…

National Institutes of Health

Papers overview

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2015

2013

Early reports are positive for point spread function technology, which is the latest in a long line of attempts to replace the…

2010

A clear and unobstructed view of intraocular structures is a prerequisite for many surgical procedures. Sufficient pupil dilation…

2010

Fluidic lenses have been developed for ophthalmic applications. The lenses use a pressure differential to deform a membrane…

1991

The purpose of this study was to investigate the accuracy of a subjective refraction through the Humphrey automatic refractor(AR…

1987

A model phoropter designed to facilitate classroom presentation of the Jackson Cross Cylinder procedure Degree Type Thesis Rights…

1985

A beam splitter on a phoropter permits fixation of optotypes while retinoscopy is being performed. The eye being examined can see…

1978

Does accidental phoropter tilt have a significant effect on determination of correcting cylinder?

1968

1962

An optometer device adapted to a phoropter