An autorefractor or automated refractor is a computer-controlled machine used during an eye examination to provide an objective measurement of a person`s refractive error and prescription for glasses or contact lenses. This is achieved by measuring how light is changed as it enters a person`s eye. ==Technique== The automated refraction technique.....
Found on
http://en.wikipedia.org/wiki/Autorefractor
an instrument used by opticians to give a rough estimate of the eyes' focusing errors
Found on
http://www.trayner.co.uk/Info/Glossary.html
No exact match found.
