The differences between results tested by Eye Test Technology(ETT)software installed in a mobile phone and by an automated refractor were compared,.The same group was subjected to mobile phone software refraction and computer refraction,and the Bland-Altman analysis method was used to evaluate the consistency of the two methods,and the t-test and correlation analysis test were used to determine whether there was a difference or correlation.It was shown that software ETT could be a starting reference for the myopic or astigmatism testing of computer refraction.
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