Among the other tests that your Eye M.D. may conduct are:

  • Fluorescein angiography. This is a diagnostic procedure that uses a special camera to take a series of photographs of the retina after a small amount of yellow dye (fluorescein) is injected into a vein in your arm. The photographs of fluorescein dye traveling throughout the retinal vessels show how many blood vessels are closed.
  • Intraocular pressure.
  • Pupil reflex response.
  • Retinal photography.
  • Slit lamp examination.
  • Testing of side vision (visual field examination).
  • Visual acuity, to determine how well you can read an eye chart.

In addition, you may be tested to determine your blood sugar and cholesterol levels. For patients under the age of 40 with CRVO may be tested to look for a problem with clotting or blood thickening.

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