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Who invented I-test? How did it come to be developed?

April 26, 2017invented Test

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Who invented I-test? How did it come to be developed?

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I-test was invented by Dr. Rolf Stangeland and has been six years in development.As a practising doctor he was very aware of the problems and suffering from poor eyesight himself decided it must be possible to produce a range of simple and affordable screening devices for the early detection of refraction anomalies and the determination of the need for corrective glasses/contact lenses.