Table 3. Actual value of the central corneal thickness measured using ultrasound.

Central corneal thickness
CAD design (μm)	200	300	400	500	600	700	800
Ultrasound pachymeter (μm)	201.3 ± 7.6	303.0 ± 6.2	403.7 ± 7.2	504.7 ± 7.4	601.7 ± 12.1	699.7 ± 11.5	803.0 ± 2.0