When it comes to "virus",I believe everyone's first reaction is "disease".The adeno-associated virus(AAV)described in this article is not only not "pathogenic",but also can be used to help "cure"and is a key vector in gene therapy technology.In this paper,the new trends,application status and technical bottlenecks of AAV in ophthalmic diseases are reviewed,and the patent layout of innovative subjects at home and abroad is compared,which can provide a preliminary understanding of the development hotspots and gaps in the field of this technology.
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