Table 2.  .

Mean Differences of Global RNFL Measures Compared to Baseline Scans without Any Lens

Contact Lens Power	Mean Difference (μm)	Std. Deviation (μm)	Paired t-Test, P Value
−12	5.69	2.18	<0.001
−10	4.35	1.99	<0.001
−8	3.67	1.82	<0.001
−6	2.49	1.94	<0.001
−4	1.47	1.45	0.001
−2	0.68	1.08	0.029
No lens	−0.17	0.88	0.453
2	−1.74	0.89	<0.001
4	−2.64	1.15	<0.001
6	−3.75	1.39	<0.001
8	−4.95	1.34	<0.001