Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the genetic changes related to Fuchs endothelial dystrophy ?
    ### Response:
    The genetics of Fuchs endothelial dystrophy are unclear. Researchers have identified regions of a few chromosomes and several genes that they think may play a role in the development of Fuchs endothelial dystrophy, but many of these associations need to be further tested.
    