1·It's necessary to dilate the pupils for the eyetest . In this way we can get the exact dioptre.
医生:验光需要放大瞳孔,这样我们可以得到准确的屈光度。 %。
2·The surface regularity index (SRI) was positively correlated with surface asymmetry index (SAI), and the astigmatism was positively correlated with dioptre and SAI in myopia.