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In CHED1 there is abnormal endothelial cells on the inside of the cornea
which is why water from the aqueous humor behind the cornea enters the eye and forms hazy cornea. The problem is with the innermost layer of the cornea. Only cure is Corneal transplant with healthy donor cornea. There are risks with every procedure. You will need to be on immunosuppresant therapy to prevent rejection of donor cornea which can happen if immune response is great. Discuss the risks of this surgery and chances of how long will donor cornea last for you.