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What Is Macular Edema?

What Is Macular Edema?

Eye care is an integral part of maintaining a healthy lifestyle for all individuals. Our eyesight is essential for many of the things we do in life, from work or hobbies to enjoying time with loved ones. It is no surprise, then, that it can be a common topic of discussion when it comes to healthcare. One such common eye concern is macular edema.

A Brief Overview of Macular Edema: Diagnosis, Prevention, and Treatments

Macular edema is a medical condition that involves the swelling or thickening of the macula, which is the central part of the retina in the eye. The retina is the light-sensitive tissue located at the back of the eye that is responsible for converting light into neural signals that are transmitted to the brain, allowing us to perceive visual images.

The macula is crucial for central vision, which is needed for tasks such as reading, recognizing faces, and driving. Macular edema occurs when there is an accumulation of fluid in the macula, leading to distortion or blurring of central vision. This swelling can result in decreased visual acuity and difficulties with activities that require sharp central vision.

Risk Factors and Diagnosis

While not a disease in and of itself, macular edema is a symptom of a number of other conditions which affect a large number of people. Because of this, it is essential for everyone to be aware of changes to their vision, especially when it comes to blurriness or change in color saturation, both of which may indicate an edema may be forming.

Any of the following underlying conditions can also increase your risk of developing macular edema:

  • Diabetic Retinopathy: One we have gone into detail before, this is a complication of diabetes where high blood sugar levels damage blood vessels in the retina, leading to fluid leakage and swelling in the macula.
  • Retinal Vein Occlusion: A blockage of the retinal vein, which can cause blood and fluid to leak into the macula.
  • Age-Related Macular Degeneration (AMD): One almost everyone will face as a risk factor is aging in general, and AMD, which is an age-related condition where the macula deteriorates, potentially leading to fluid accumulation and edema.
  • Uveitis: Inflammation of the uvea, the middle layer of the eye, which can lead to macular edema as a result of an inflammatory response that attacks eye tissue.
  • Vascular Diseases: Certain systemic vascular diseases can affect the blood vessels supplying the retina, causing fluid leakage and macular edema.

Macular edema can be diagnosed through a comprehensive eye examination, including optical coherence tomography (OCT) imaging, which provides detailed cross-sectional images of the retina and can identify the presence of fluid accumulation.

Can Macular Edema Be Prevented?

The best way to help prevent and lessen the potential symptoms of vision loss from macular edemas is with careful management of any underlying conditions, protecting your eyes from any trauma, and early detection. Keeping your blood sugar in check, eating healthier, and exercising can all increase the health of your circulatory system and reduce your risks.

Treatments for Macular Edema

Treatment options for macular edema depend on the underlying cause and severity of the condition. Often, the best course of treatment is to manage that underlying condition itself. However, some standard treatment approaches specifically target macular edema, including:

  • Anti-VEGF Injections: These are medications that inhibit the action of vascular endothelial growth factor (VEGF), a protein that promotes blood vessel growth and leakage. These injections can help reduce the leakage of fluid into the macula.
  • Steroid Injections: In some cases, corticosteroid medications can be injected into the eye to reduce inflammation and fluid accumulation.
  • Eye Drops: Nonsteroidal anti-inflammatories (NSAID) can help prevent or treat macular edema caused by surgery or other eye trauma
  • Laser Treatment: Laser therapy may be used to target and seal off leaky blood vessels in the retina if injections or eye drops have proved ineffective.
  • Surgery: In more severe cases, a surgical procedure called a vitrectomy might be considered to address the underlying cause of macular edema.

It is important to note that early diagnosis and treatment can significantly improve the outcomes for individuals with macular edema, particularly in terms of preserving visual function and quality of life. If you suspect you have macular edema or are experiencing changes in your vision, it's recommended to consult an eye care professional for proper evaluation and guidance.

Asheville Vision and Wellness

Everyone has different histories and lifestyles, making eye care needs unique. You should have an eye doctor who considers you and can give common-sense recommendations. If you have any of the main risk factors for macular edema or think your vision is changing, schedule an appointment with Asheville Vision and Wellness today to see what experienced care with the latest technology can do for your vision needs. 

For over three decades, we have helped patients throughout western North Carolina with a wide variety of eye care, including comprehensive eye examinations, eyeglasses, contact lenses, and medical eye evaluations.  We also have a wide variety of the latest eyewear, from basic to designer.

If you need a regular eye exam or think you may be at risk for eye disease, come in and talk to our specialists today. Our optometrists are certified in diagnosing, treating, and managing ocular diseases.