The pressure decreases because there is less density meaning there are less atoms or molecules in a space. Gravity determines the density by pulling in more molecules towards â¦ the center of the Earth.
Therefore, about 85-90 percent of children with hereditary retinoblastoma develop multiple tumors that affect both eyes (bilateral disease). The remaining 10-15 percent of patients with hereditary retinoblastoma develop only a single eye tumor (unilateral disease).
As a baby travels through the birth canal, they can pick up bacteria present in the vaginal secretions or fluids. Since eye infections caused by gonorrhea or chlamydia used to be such a common cause of blindness, many states now require antibiotic eye drops or ointments for newborns.