| A rare genetic neurometabolic disease with characteristics of prenatal and postnatal growth retardation, hypotonia, failure to thrive, large and late-closing fontanel, development delay, cutis laxa, joint laxity, progeroid appearance and dysmorphic facial features. In addition, corneal opacities, cataracts, myopia, seizures, hyperreflexia and athetoid movements have also been associated. |