A 12-year-old intellectually disabled boy having short stature, protuberant abdomen with umbilical hernia, prominent forehead. His vision is normal. His parents are normal. What is metabolic defect in this disorder?: (A) L-Iduronidase, (B) Iduronate Sulfhatase, (C) Aryl Sulfatase B, (D) Beta Glucoronidase
Answer is B. Ans. B. Iduronate Sulfatase* Hunters Disease (MPS-II)* Distinguishing features are vision normal as there is no corneal clouding. Males are affected