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).
AT A GLANCE. The more you know about your childâs health, the better youâll be at handling the inevitable issues that crop up. Find out about pesky but harmless things like pinworms, infections such as hand, foot, and mouth disease, uncommon diseases like measles, and chronic congenital problems like cystic fibrosis. Get helpful health guidance, whether your baby has an umbilical hernia or your child develops a urinary tract infection.