Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Devi A, Eisenfeld L, Uphoff D, Greenstein R (1995). "New syndrome of hydrocephalus, endocardial fibroelastosis, and cataracts (HEC syndrome)". Am J Med Genet. 56 (1): 62–6. doi:10.1002/ajmg.1320560114. PMID7747788.