Macular edema occurs when fluid and protein deposits collect in the eyeball on or under a part of the retina (the lining of the back of the eye) that is called the macula. This material causes the macula to thicken and swell, and it may distort a person's central vision.
The macula provides sharp, clear central vision that allows a person to see form, color, and detail that is directly in the line of sight.
Treatment depends on the cause. If the condition is caused by diabetes, you may be able to avoid or slow the damage by keeping your blood sugar and blood pressure levels in your target range.
Your doctor may talk to you about treatment options such as:
Be sure to follow your doctor's treatment plan. It can take weeks or months for macular edema to heal.
The macula is a small but important area on the nerve layer (retina) in the back your eye. It helps you see clearly and focus on what is in front of you.
Edema means swelling. Macular edema is swelling of the macula. It happens when tiny blood vessels in the retina leak blood and other fluids into the area around the macula, causing it to swell. The swelling usually doesn't hurt.
When you have this swelling, your vision may be fuzzy. Straight lines may look curvy. You may also have a dark spot in the center of your field of vision.
Your doctor can find out if you have macular edema by using tests that check the blood vessels in the back of your eye.
This condition is usually caused by problems from diabetes. High blood sugar can harm the tiny blood vessels in the retina. Other eye problems can also cause it.
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