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).
A: Vision is the last sense your baby develops, which helps explain why her eyesight is so fuzzy as a newborn (at birth, your baby can only see about 8 to 12 inches in front of her). Your unborn baby's eyelids remain closed until you're about 28 weeks pregnant, which allows the retinas to fully develop.