Hi 6/9 vision means she is reading 1 line less than normal people will. For all practical purposes, no issues but in some careers 6/6 vision is mandatory. Cylindrical means cornea shape is not like  a circle but elongated,  meaning power is more in one meridian, for u , no practical implications.. Do regular checks, wear correct number and hv a healthy lifestyle .

It's called astigmatism and wearing prescribed glasses is the solution