ICD-11 definition : Mucolipidosis type IV (ML IV) is a lysosomal storage disease characterised clinically
by psychomotor retardation and visual abnormalities including corneal clouding, retinal
degeneration, or strabismus.;
Mucolipidosis type IV (ML IV) is a lysosomal storage disease characterised clinically
by psychomotor retardation and visual abnormalities including corneal clouding, retinal
degeneration, or strabismus.