Table 3.

 Increase in IOP (mm Hg)/10 μm increase in CCT

Diagnosis	Goldmann (95% CI)	Tono-Pen (95% CI)	OBF (95% CI)
All	0.18 (0.10 to 0.25) (p⩽0.001)	0.10 (0.03 to 0.17) (p = 0.007)	0.22 (0.12 to 0.32) (p = 0.001)
FED	0.18 (0.06 to 0.30) (p = 0.005)	0.15 (0.04 to 0.26) (p = 0.007)	0.25 (0.11 to 0. 40) (p = 0.001)
KC	0.01 (−0.1 to 0.13) (p = 0.80)	−0.01 (−0.15 to 0.12) (p = 0.84)	−0.03 (−0.20 to 0.13) (p = 0.69)
PK	0.11 (−0.12 to 0.34) (p = 0.33)	–0.05 (−0.24 to 0.14) (p = 0.59)	0.14 (−0.11 to 0.40) (p = 0.27)