“…Small fiber peripheral neuro pathy involving the corneal nerve plexus [40] , as well as neuronal degeneration involving the retina have also been described [41] , using novel techniques such as corneal confocal microscopy and spectral domain optical coherence tomography, respectively. Psychiatric abnormalities, which may be present before hepatic or neurological signs in up to one third of patients [42] , include decreased academic performance or personality changes, sexual exhibitionism, impulsiveness, labile mood, inappropriate behavior, depression, paranoia, and schizophrenia, leading also to suicide in a discrete number of cases [15,33,43,44] . Other manifestations of disease may include renal abnormalities such as hypercalciuria, nephrocalcinosis, nephrolithiasis, and aminoaciduria, cardiomyopathy with arrhythmias, autonomous nervous alterations, gigantism, hyoparathyroidism, osteoarthritis, pathological fractures and pancreatitis [42,45] .…”