There are 57 conditions associated with blurred vision, dizziness, floating spots or strings in vision and lightheadedness. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.
Bone marrow aspiration. The bone marrow aspiration is usually done first. The doctor makes a small incision, then inserts a hollow needle through the bone and into the bone marrow.Using a syringe attached to the needle, the doctor withdraws a sample of the liquid portion of the bone marrow. You may feel a brief sharp pain or stinging.one marrow aspiration. The bone marrow aspiration is usually done first. The doctor makes a small incision, then inserts a hollow needle through the bone and into the bone marrow.
Bone marrow biopsy. This is a procedure that removes a small, solid piece of bone marrow tissue for examination to determine whether a person has a blood disorder or blood cancer, such as leukemia or multiple myeloma. fine needle biopsy may be the first type of biopsy done on smaller tumors that the doctor can feel through the skin. The doctor uses a very thin, hollow needle attached to a syringe to collect a small amount of fluid and cells from the suspicious area for examination and further testing.