A device for dispensing viscoelastic solutions, said device consisting of a syringe (1) which contains at least two viscoelastic solutions (V1, V2) having different properties, said solutions (V1, V2) being dispensed in succession, in a predetermined order, said device being characterized in that said syringe (1) includes at least one moving diaphragm (10) that separates said at least two viscoelastic solutions (V1, V2).