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).
Down Syndrome: Musculoskeletal Effects. Down syndrome is one of the most common genetic disorders. According to the Centers for Disease Control and Prevention, it affects about 1 baby in every 691 births. Children with Down syndrome have varying developmental delays and medical problems. They may have special medical problems of the heart, stomach, eyes, and other parts of the body. Many children have problems that involve the bones and joints.