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Welcome to the comprehensive optical library of banville optical. The information shared below is provided to you as an educational and informational source only and is not intended to replace a optical examination or consultation, or optical advice given to you by a physician or optical professional.

If you have any questions or concerns regarding any condition or treatment, please contact banville optical at (978) 745-2774.

Diabetic Retinopathy: Evaluating Your EyesLa retinopat­a diab©tica: Evaluaci³n de sus ojos

Diabetic Retinopathy: Evaluating Your Eyes

Diabetic retinopathy is a condition that occurs when diabetes damages blood vessels in the rear of the eye. It can lead to vision loss. To help catch it early, have a complete dilated eye exam at least once a year. Pregnant women should have this exam more often. During the exam, the eye doctor will review your medical history, examine your eyes, and check your vision.

Your Medical History

Your eye doctor may ask about the following:

  • Your diabetes type, history, treatments (such as insulin), and how you monitor your blood sugar level

    Your eye doctor examines your eyes with a slit lamp.
  • Your family's health, including whether any relative has had diabetes or diabetic retinopathy

  • Any diseases, surgeries, or other medical procedures you've had

  • Any medications, herbs, or supplements you use, including those you buy over the counter

Your Eye Exam

Your eye doctor uses an eye chart and other tools to check your vision. Then he or she examines your eyes for signs of disease. You are given eyedrops to widen (dilate) your pupils. Then you may have one or more of the following tests:

  • Tonometry to measure fluid pressure inside the eye.

  • Slit lamp exam to allow the doctor to view the structures of your eye.

  • Ultrasound to create an image of the eye using sound waves. Ultrasound may be used if blood is found in the clear gel that fills the eye (vitreous).

Fluorescein Angiography

This test may be done to check the health of the inside lining of the eye (retina). It also checks the tiny blood vessels (capillaries) that carry blood to the retina. During the test:

  • Photographs are taken of the retina.

  • A safe dye is then injected into the bloodstream through the arm or hand. The dye travels to the capillaries in the eye.

  • More photographs are taken of the retina. The dye causes the capillaries to stand out on the photographs.

You may feel brief nausea during the procedure. For a few hours after the test, your skin, eyes, and urine may appear yellow.

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