| http://www.w3.org/ns/prov#value | - wherein the aqueous composition has a viscosity that is greater than 150% of a sum of viscosities of two solutions, each of the two solutions respectively including only one of the two polymers and wherein the total concentration of the two polymers in the composition ranges from 0.2-2.0% (w/w) and wherein the composition does not gel upon administration to the eye.
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