Visual Function Analyzers
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Visual Function Analyzers

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Visual Function resources

Bio-Logic Systems Corp.
The company that introduced the first Digital EEG system presents the latest addition to the Ceegraph family - the Ceegraph VISION. This innovative system incorporates the latest developments in networking, remote communications and information management to offer you unprecedented portability, flexibility and expandability.

Tracey Technologies
Tracey Technologies seeks to establish a new gold standard for refraction measurement using state-of-the-art technology, the Tracey-VFA, to determine both lower and higher order aberrations. The VFA data enables eyecare specialists to create very specific vision correction plans for each patient with the goal of improving the overall quality of vision.

Jones Eye Centers
The Tracey-VFA is a new diagnostic tool that measures how your eye focuses light, therefore how well you to see. This instrument provides us with an entirely new level of precision and understanding. Previous technology used in determining the refractive power of your eye can only measure simple nearsightedness, farsightedness and normal astigmatism and has not changed for over 150 years. The Tracey-VFA measures and comprehensively identifies small irregularities in the way your eye refracts light, which further defines the overall quality of your vision.

Good-Lite Co.

For over 60 years, the Good-Lite Company has been manufacturing the finest line of vision light boxes, charts and accessories. Our commitment to quality is only surpassed by our commitment to customer service.

LKC Technologies
LKC Technologies strives to be the preferred designer and manufacturer of state-of-the-art visual function testing equipment. 

Keystone View

For more than 80 years, Keystone View has led the industry in the development and manufacture of professional-quality vision screeners, vision diagnostic and training instruments as well as vision therapy programs for the clinic, office, and home.

Stereo Optical Company

VectorVision specializes in the standardization of contrast sensitivity, glare sensitivity, low contrast acuity, and ETDRS acuity vision testing. Our patented standardization system provides the practitioner or researcher the ability to delineate very small changes in visual capability, either as compared to the population or from visit to visit. We have made significant strides to develop new and better types of tests during our first 15 years of existence and will continue to make these strides in the future.

Sensor Physics

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