Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Fraser syndrome ?
    ### Response:
    Fraser syndrome is a rare disorder that affects development starting before birth. Characteristic features of this condition include eyes that are completely covered by skin and usually malformed (cryptophthalmos), fusion of the skin between the fingers and toes (cutaneous syndactyly), and abnormalities of the genitalia and the urinary tract (genitourinary anomalies).
    