Comparison of Toric and Spherical Orthokeratology Lenses in Patients with Astigmatism

Figure 4

Change of corneal equivalent power (a), corneal apical power (b), corneal astigmatism (c), Corneal J180 (d), and Corneal J45 (e) at all visits over 12 months. The upper and lower error bars represent the standard deviations of the spherical and toric groups, respectively. indicates a statistically significant difference between the two groups.

(a)

(b)

(c)

(d)

(e)