Bimodal molecular weight hyaluronate formulations and methods for using same

摘要: Compositions and methods useful for protecting human or animal eye cell layers tissues exposed to trauma, e.g., during surgery, are disclosed. In one embodiment, the method comprises administering a protective amount of an ophthalmically acceptable aqueous composition containing first alkali metal and/or alkaline earth hyaluronate fraction having molecular weight at least about 2 million, example, in range million 4 second 200,000 800,000, 300,000 700,000, prior exposure trauma.