From: Comparison of intraocular pressure as measured by three different non-contact tonometers and goldmann applanation tonometer for non-glaucomatous subjects
NCT device
Mean (±SD) (mmHg)
Mean difference (±SD) with G-IOP
95% LoA
p value
C-IOP
17.23 ± 2.94
1.38 ± 1.75
−2.05 to 4.82
<0.001
N-IOP
14.87 ± 3.25
−0.98 ± 2.00
−4.91 to 2.95
0.001
T-IOP
16.33 ± 3.01
0.48 ± 2.12
−3.67 to 4.63
0.108