<unk>  (OOCHS) is a rare congenital<unk>  characterized by<unk> , and reduced eye and skin pigmentation.
This<unk>  can be differentiated from other similar<unk> s such as Cross<unk>  and Preus<unk>  by the absence of cerebral abnormality and presence of<unk> .
Osteoporosis -- oculocutaneous -- hypopigmentation syndrome
Acral dysostosis - dyserythropoiesis
Global developmental delay-osteopenia-ectodermal defect
Osteochondrodysplatic dwarfism -- deafness -- retinitis pigmentosa
Cholestasis -- pigmentary retinopathy -- cleft palate
Anophthalmia-short stature-obesity
Brachydactyly - arterial hypertension
Cronkhite–Canada disease