Pharmaceutical preparations for the treatment of ophthalmic diseases and conditions; ophthalmic pharmaceuticals, namely, eye drops, solutions, gels and ointments used for the treatment of eye infection and inflammation; pharmaceuticals, namely, ophthalmic solutions for the treatment of glaucoma, dry eye, and allergic conjunctivitis; glaucoma and anti-inflammatory agents; hydrogel for medical purposes; pharmaceutical preparations, namely, a drug delivery system comprising an ophthalmic solutio...