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 birth, your baby's eyes should be examined for signs of congenital eye problems. These are rare, but early diagnosis and treatment are important to your child's development. Between the age of 6 and 12 months, take your baby to your doctor of optometry for his or her first thorough eye examination. Your optometrist will test for many things, including excessive or unequal amounts of nearsightedness, farsightedness, and astigmatism and eye movement ability.