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By Mayo Clinic staffFuchs' dystrophy (fooks DIS-tre-fe) is a rare disorder that affects the cornea — the transparent front surface of your eye. Although the cause of Fuchs' dystrophy is unknown, it often occurs as an inherited disorder.
Normally, the cells that line the back surface (endothelium) of the cornea prevent excess fluid from accumulating in the cornea. This helps the cornea maintain its transparency. But with Fuchs' dystrophy, those endothelial cells slowly deteriorate and die off. As a result, fluid builds up in the cornea. This may cause swelling, cloudy vision, pain and loss of corneal transparency.
Fuchs' dystrophy causes a variety of vision problems and can eventually lead to blindness. Fuchs' dystrophy is considered one type of corneal dystrophy.
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