This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea, Subject name: Ophthalmology
Cloudy cornea is/are seen in which of the following 
Select and explain. 
A. Klinefelter syndrome, B. Turner syndrome, C. Megalocornea, D. Mucopolysaccharidosis
D: Mucopolysaccharidosis
Answer: D: Mucopolysaccharidosis 
Explanation: Ans. (d) MucopolysaccharidosisRef: Parson's 22/e, p. 221Causes of neonatal corneal opacification -- MCG - SRT* Mucopolysaccharidosis* Congenital hereditary endothelial dystrophy - type - I* Glaucoma (congenital)* Sclerocornea* Rubella* Ttrauma (Birth trauma)"Mucopolysaccharidoses (MPS) can manifest with corneal clouding, including Hurler; Scheie, and Hurler - Scheie syndromes (all MPS I); Morquio syndrome (MPS IV); and Maroteaux -Lamy syndrome (MPS VI).Corneal clouding is not present in Hunter syndrome (MPS II) and Sanfilippo syndrome (MPS III)' (emedicine. medscape.com)