This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolic disorders, Subject name: Pediatrics
Cloudy cornea is a feature of 
Select and explain. 
A. Hurler's disease, B. Morquio's disease, C. Maroteaux Lomy disease, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Cloudy cornea is observed in type IH(Hurler),type IS(Scheie), and type VI(Maroteaux-Lamy) and in some cases of type IV(Morquio) mucopolysaccharidoses.It is minimal in type III and is not seen in type II. Reference:Essential pediatrics-Ghai,8th edition,page no:660