Table 2 of Tu, Mol Vis 2019; 25:391-399.


Table 2. Evaluation of the consistency between the Tonopen and the TonoVet measurement in COHT monkey models.

Tonometers IOP 7–16 mmHg
(n=13 readings) IOP 17–22 mmHg
(n=22 readings) IOP 23–60 mmHg
(n=37 readings)
Tonopen TonoVet Tonopen TonoVet Tonopen TonoVet
Mean ± SD 14.15 18.62 19.23 24.18 29.3 43.05
  ± 1.14 ± 1.98 ± 1.31 ± 3.62 ± 6.12 ± 14.29
Range 12-16 16 - 21 17 - 22 19 - 34 23 - 47 22 - 71
Δ Mean ± SD 4.46±1.66   4.95±3.57   13.76±9.19
Δ Range 1-7 0 - 15 -32
95% CI 3.46 - 5.47 3.37 - 6.54 10.69 - 16.82
Δ > ±5 mmHg* 23.08% 36.36% 75.68%
P 0 0 0.003