Baby’s white eye blue may be caused by physiological factors, may also be caused by congenital glaucoma, iron deficiency anemia and other pathological factors. 1. Physiological factors: the baby’s age, the eyes of the sclera is thin, under the eyes of the blood vessels choroid plexus is more obvious, due to under the eyes of the blood vessels choroid plexus more blue-violet color, the baby’s white eyeballs may have a blue phenomenon. 2. Pathologic factors: (1) congenital glaucoma: in addition to the blue color of the white eyeballs, if the baby also has symptoms such as tearing, photophobia, corneal clouding, etc., it may be congenital infantile glaucoma. Children with this disease, intraocular pressure rises, the sclera tissue may be compressed and thinned, in which case the color of the choroid under the sclera can be seen, triggering the phenomenon of bluish whites of the eyes. (2) Iron deficiency anemia: children with iron deficiency anemia may have abnormal scleral development due to iron deficiency, which is manifested as blue color of the white of the eyes. The blue color of the white eyes of babies can also be seen in other causes, patients should consult a doctor in time, under the diagnosis and guidance of professional doctors for treatment.