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 Mirtazapine, prescribed for depression can lead to optic nerve damage and/or glaucoma.  Prozac may cause dilated pupils, double vision, blurred vision, and dry eyes. It can also cause eye pain, eye lid infection (blepharitis), cataracts, glaucoma, ptosis (eyelid droop), and an inflammation of the iris (iritis).
Swollen Optic Nerve. A swollen optic nerve can happen due to variety of reasons and may result in partial or complete loss of vision. People suffering from an inflamed optic nerve may also feel some pain along with vision problems. Individuals who are afflicted with some form of autoimmune disease may also experience swollen optic nerve.