eye disorders
Blockage of Central Retinal Veins and Branch Retinal Veins
Diagnosis
A doctor's examination of the eye Fluoresceinangiography Optical coherence tomography Sometimes other tests Using an ophthalmoscope, doctors can see changes in blood vessels and the retina. If the central retinal vein is blocked, the veins may be engorged (appearing enlarged), bleeding spots may be visible scattered throughout the retina, and the front of the optic nerve may be swollen. Angiography helps determine the extent of damage to the retina and helps the doctor plan treatment. In this test, a doctor injects dye into a vein in the arm and then photographs the retina. The dye makes the blood vessels of the retina show up better in the photograph. Once the retinal vein blockage has been diagnosed, doctors often do tests to identify disorders that could increase the risk of developing blockages. For example, depending on which specific disorders they suspect, doctors may test people for Diabetes Mellitus (DM) (by measuring blood sugar or hemoglobin A1c levels), 