Newborns may also appear sluggish and have an abnormally weak sucking response.
[rarediseases.org]
Ocular abnormalities of CDG-Ia include: myopia, infantile esotropia, delayed visual maturation, low vision, optic pallor, and reduced rod function on electroretinography.[
[wikidoc.org]
Throughout their first year of life, affected infants may demonstrate little interest in nursing or bottle-feeding, have repeated episodes of diarrhea, vomit frequently, and/or fail
[rarediseases.org]