| 摘要 |
PROBLEM TO BE SOLVED: To provide an ophthalmic oil-in-water type emulsion that is stable over a long period of time.SOLUTION: An ophthalmic oil-in-water type emulsion includes colloid particles having an oily core surrounded by an interfacial film, includes at least one cationic agent and at least one non-ionic surfactant, has a positive zeta potential and meets zeta potential stability test A requirements. A process for making the emulsion is also provided. Means of delivering the ophthalmic oil-in-water type emulsion is selected from the group consisting of lenses, an ocular patch, an implant, and an insert. |
