The surgery significantly decreased the astigmatism(P=0 023),whereas SRI,and SAI were not changed significantly(P=0 423;P=0 143).

• 而散光却与SRI及SAI(r=0 2 5 3,P =0 0 93;r=0 2 6 8,P =0 0 75 )无明显的相关性。