Feature |
Hunter Syndrome (MPS II) |
Hurler Syndrome (MPS I) |
Inheritance |
X-linked recessive (affects males) |
Autosomal recessive |
Deficient Enzyme |
Iduronate-2-sulfatase |
α-L-Iduronidase |
Accumulated Substances |
- Dermatan sulfate - Heparan sulfate |
- Dermatan sulfate - Heparan sulfate |
Ophthalmic Findings |
No corneal clouding |
Corneal clouding present |