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Norrie disease is a human X - linked recessive disorder of unknown etiology characterized by congenital blindness , sensory neural deafness and mental retardation .
 Norrie disease, X - linked recessive disorder, congenital blindness, sensory neural deafness, mental retardation
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 Norrie disease, X - linked recessive disorder, congenital blindness, sensory neural deafness, mental retardation