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.

角膜表面规则性指数(SRI)与角膜表面非对称性指数(SAI)呈正相关，而且近视眼的散光度与其屈光度、SAI呈正相关。

youdao

But Sai warns that even fliers who want to change the TSA shouldn't break its rules outright.

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The restaurant also offers speedboat service back to the town of Sai Kung for 120 Hong Kong dollars.

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One drawback of Sai Kung is that the city's extensive train service doesn't reach the district's pricier neighborhoods.

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