Table 1 of Tu, Mol Vis 2019; 25:391-399.


Table 1. Evaluation of the consistency between the Tonopen and the TonoVet measurement in control healthy monkeys.

Tonometers IOP ≤21 mmHg (n=90 readings)
Tonopen TonoVet
Mean ± SD 12.92±2.31 12.99±3.04
Range 6-20 8-21
Δ Mean ± SD 0.06±2.08
Δ Range -5-7
95% CI -4.13 – 4.00
Δ < ±1 mmHg* 56.67%
Δ < ±3 mmHg† 91.12%
P 0.761