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 newbornâs eyes should be examined and tested for congenital eye problems to decrease the risk of vision problems later in the childâs life. By the time a baby is four months old they begin to reach for objects, showing the beginning of hand and eye coordination and have also developed the ability to see in full color.