Eye drops containing chitosan derivative

Abstract

The present invention relates to medicine technology, and is one kind of eye drops for treating conjunctivitis, keraritis, corneal ulcer, xerophthalma and other eye diseases. The eye drops contains water soluble chitosan derivative and medicinal active component, proper amount of pH controlling agent and osmotic pressure regulator. It has delayed releasing and long acting function and thus high biological medicine utilization and clinical curative effect.

Description

technical field

[0001] The invention belongs to the technical field of medicines, in particular, the invention belongs to an eye drop containing chitosan derivatives. Background technique

[0002] With the quickening of the pace of life, the abnormal climate and the improvement of the computer penetration rate, the incidence of various eye diseases is also increasing. At present, there are mainly three types of eye drops for clinical treatment of eye diseases: one is to directly dissolve antibiotics or antiviral drugs in distilled water, and then make them into a certain concentration to treat eye diseases clinically. After this type of preparation is instilled into the eyes, the residence time of the active ingredients of the medicine is short, the bioavailability of the medicine is low, and the therapeutic effect is not good; However, it blocks the line of sight and is very inconvenient to use; another is to add a thickener to the usual eye drops to increase the residence...