In the case of leukemia, the cancer interferes with the body's ability to make blood. Leukemia attacks the bone marrow and the blood itself, causing fatigue, anemia, weakness, and bone pain. It is diagnosed with a blood test in which specific types of blood cells are counted.amples of blood from a healthy person and from one with leukemia, a type of blood cancer. Leukemia is often diagnosed after blood testing. Hematologists analyze blood cancer samples. Swollen lymph nodes are one symptom of lymphoma. Red blood cells.
1 Birth control pills can contribute to dry eye syndrome. 2  Oral contraceptives can lead to many eye problems by increasing pressure of the fluid around the brain causing headache, vision changes, and swollen optic nerve.  Birth control pills can lead to many eye problems, including retinal vascular problems.
The swollen optic nerve may be caused or triggered by: 1  Autoimmune conditions such as lupus, HIV, Behcet's disease, or sarcoidosis. 2  Inflammatory conditions like multiple sclerosis. Any condition that causes some of the protecting myelin layer of the nerve to be degraded or destroyed may be the cause.