Pharmaceutical composition for curing diabetic retina pathological changes and method of preparing the same
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV
- Publication Date
- 2008-10-01
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a pharmaceutical composition with plant material extract as an active ingredient, in particular to a group of compositions for treating diabetic retinopathy and a preparation method thereof. Background technique
[0002] At present, the incidence of diabetes in the world is about 4.6%, with a total of 200 million people. Its incidence rate is increasing year by year. It is estimated that by 2025, the incidence rate of diabetes will be about 5.4%, reaching 300 million people.
[0003] Diabetic retinopathy (DR) is the most common and serious eye complication in diabetic patients, and it is one of the three major blinding diseases in the world. The rate of diabetic patients with retinopathy in my country is as high as 47% (the international average level is 45%). Diabetic retinopathy has no obvious eye symptoms in the early stage of the disease. As the disease progresses, vision loss or sudden drop may occur, and severe cases ma...