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).
5 Graves' Disease. People with Graves' disease or other thyroid problems often suffer from eyelid swelling. Graves' disease can cause proptosis or bulging of the eyes. Although it can affect one eye more, it usually affects both eyes. Sometimes Graves' disease can cause reduced eye movements or double vision. Hypothyroidism can also cause both eyes to be somewhat swollen or puffy.