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.
Optic nerve atrophy Definition. Optic nerve atrophy is damage to the optic nerve. The optic nerve carries images of what the eye sees to the brain. Alternative Names. Optic atrophy; Optic neuropathy. Causes. There are many causes of optic atrophy. The most common is poor blood flow. This is called ischemic optic neuropathy. The problem most often affects older adults. The optic nerve can also be damaged by shock, toxins, radiation, and trauma. Eye diseases, such as glaucoma, can also cause a form of optic nerve atrophy. The condition can also be caused by diseases of the brain and central nervous system.