Corneal Topographic and Aberrometric Measurements Obtained with a Multidiagnostic Device in Healthy Eyes: Intrasession Repeatability

Table 2

Summary of the intrasession repeatability outcomes for the corneal astigmatism and axis measurements obtained by means of the VX120 system depending on the magnitude of corneal astigmatism.

	Corneal astigmatism ≤0.75 D	Corneal astigmatism >0.75 D	value
(D)	0.10	0.13	0.148
(°)	7.25	3.44	0.001
(D)	0.15	0.28	0.001
(°)	14.72	5.92	0.001
(D)	0.11	0.19	0.002
(°)	8.25	4.19	0.002
(D)	0.13	0.15	0.090
(°)	9.43	6.42	0.002

Mean keratometric astigmatism () and its axis (), mean astigmatism () and its axis () in a 3 mm central zone, mean astigmatism () and its axis () in a 5 mm central zone, and mean astigmatism () and its axis () in a 7 mm central zone.