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. 2018 Jul;82(3):208–215.

Table III.

Calculated regression formulas and corresponding r2 values for 2 tonometers used in cattle, sheep, and goats to correct measured values.

TonoVet Tono-Pen AVIA
Cattle y = 1.226× – 5.392 y = 0.7141× – 0.7864
r2 0.98 0.92
Sheep y = 0.9816× – 2.5601 y = 0.6337× – 1.1840
r2 0.98 0.98
Goats y = 1.047× – 5.0551 y = 0.6476× – 3.0905
r2 0.97 0.97