Polyvinyl alcohol is used to increase the viscosity and thereby prolonging contact time of the Povidone within the eye.
Bottle
Tears Plus Eye Drop contains Povidone and Polyvinyl Alcohol. Polyvinyl alcohol is used to increase the viscosity and thereby prolonging contact time of the Povidone within the eye. Povidone (polyvinylpyrrolidone) helps to retain the tears on the cornea longer.