Sterile, drop-forming, multi-phase, emulsifier-free ophthalmic product
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BAUSCH & LOMB INC
- Publication Date
- 2008-07-23
- Estimated Expiration
- Not applicable · inactive patent
Abstract
Description
technical field
[0001] The present invention relates to a sterile, instillable, multiphase, emulsifier-free ophthalmic preparation, especially a gel preparation. Said ophthalmic preparations can be used, for example, as artificial tears and for the treatment of "dry eyes". Background technique
[0002] It is known in the art that irritated or inflamed eyes, especially "dry eyes", Keratokonjunktivitis sicca, are treated with aqueous preparations for the ailment. The formulations are usually in the form of a liquid, gel, cream or ointment.
[0003] Disadvantageously, the solutions incorporate various contents that may cause allergies, produce irritation, or cause eye sensitization or incompatibility with the contents. It is also known that aqueous solutions often produce itching, burning or other unpleasant side effects when in contact with the eyes.
[0004] In addition, formulations in particular in the form of gels, creams or ointments have the disadvantage of causing ad...