| 摘要 |
<p>Compositions including O-carboxyalkyl chitosan and use of said compositions in ophthalmic formulations. O-carboxyalkyl chitosan enhances ocular bioavailability and is especially useful in ophthalmic compositions which must be held at an acidic pH for storage, and which must remain clear when applied to the eye at a physiological pH of about 7.4.</p> |
