| 摘要 |
Topical ophthalmic compositions that form a gel or partial gel upon application to the eye are described. The compositions are particularly useful as artificial tears and ocular lubricants, but may also be utilized for the topical delivery of pharmaceutically active compounds to the eye. The compositions contain a polysaccharide/borate gelling system. The polysaccharides that may be utilized contain cis-diol groups and have a structure that is predominately linear, with a slight degree of branching.
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