CME – What is cystoid macular edema

What is CME? When multiple cyst-like spaces form within the macula and result in swelling of the retina, a patient […]

CME - Cystoid macular edema
CME - Cystoid macular edema

CME – What is cystoid macular edema

What is CME? When multiple cyst-like spaces form within the macula and result in swelling of the retina, a patient […]

What is CME?Cystoid macular edema - CME

When multiple cyst-like spaces form within the macula and result in swelling of the retina, a patient may be diagnosed with cystoid macular edema or CME.

This painless disorder is often discovered after a patient has complained of increasingly blurry vision, especially when reading (deterioration of central vision). Peripheral vision is usually not affected.

The most common reason someone might develop CME is if they have had recent eye surgery. Other causes of CME include diabetic retinopathy, uveitis and retinal vascular disease. In these cases, it is not uncommon for patients to experience swelling of the retina.

What is the macula?

Also see “Interactive Human Eye” animation

The macula is a part of the retina, the light-sensitive layer of tissue at the back of the eye that is similar to film in a camera. As you read, light is focused onto your macula.

Within the macula, millions of cells change the light into nerve signals that are sent to the brain where they are converted into an image. The macula is where we get our central vision. With it, we are able to read, drive, and perform other activities that require fine, sharp, straight-ahead vision.

CME Treatment

The treatment of cystoid macular edema may include one or more of the following:

See a Vitrectomy Animation here

The good news

With currently available treatments, more than half of all patients diagnosed with CME can expect significant improvements in their visual acuity after treatment. Treatment can take up to a year for full effect.

See also…

“Interactive Human Eye” animation

Intravitreal Kenalog Injection

Optical Coherence Tomography – OCT

Retisert implant for Uveitis and Pars-planitis

Pred Forte eye drops

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