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Am J Optom Physiol Opt. 1985 Nov;62(11):786-92.

Clinical evaluation of the Canon Autoref R-1.

Abstract

A clinical evaluation of the Canon Autoref R-1 was carried out on 93 subjects (186 eyes). Results were compared to clinical refractive data. A measure of the R-1 reliability was obtained both for successive measurements and measurements repeated on separate occasions. The validity of the instrument was found to be similar to that found in other investigations.

[Indexed for MEDLINE]

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