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 The antibiotic linezolid can contribute to optic nerve damage.  Sulfonamide (sulfa drugs, which many people are allergic to) can induce blurred vision, light sensitivity, and hemorrhages in the eye. They can contribute to allergic conjunctivitis.
Problems with blood vessels that can cause optic nerve damage. Certain types of diseases or conditions of blood vessels can cause optic nerve damage including: Anterior ischemic optic neuropathy (stroke of the eye caused by diminished blood flow to the arteries that supply blood to the optic nerve). Blood clot that obstructs an artery that supplies blood to the optic nerve. Cerebral aneurysm (life-threatening bulging and weakening of the wall of an artery that can burst and cause severe hemorrhage). Stroke. Subarachnoid hemorrhage (type of bleeding around the brain).