ocular tension

oc·u·lar ten·sion (Tn),

resistance of the tunics of the eye to deformation; it can be estimated digitally or measured by means of a tonometer.

oc·u·lar ten·sion

(Tn) (ok'yū-lăr ten'shŭn) Resistance of the tunics of the eye to deformation; it can be estimated digitally or measured by means of a tonometer. The pressure in the eye is measured in increased mmHg levels.