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Epiretinal Membrane

Epiretinal Membrane

An epiretinal membrane (Aka ERM, macular pucker) is a layer of tissue found on the inner surface of the retina, typically the macula (central vision), and causes distorted vision. 

  • What is the cause of an epiretinal membrane?

    • Idiopathic (unknown cause) ERMs is the most common presentation.

    • Secondary ERMs occur in association with retinal vascular diseases including diabetic retinopathy, retinal vein occlusion, ocular inflammatory disease, trauma, intraocular surgery, intraocular tumors, and retinal tear or detachment.

  • What are the risk factors?

    • Increased age (average age at diagnosis is 65)

    • Posterior vitreous detachment (when the gel that fills the eye shrinks and pulls away from the retina)

    • History of ERM in the fellow eye.

  • What are the symptoms?​

    • Distorted vision

    • Blurred vision especially near vision 

    • Double vision in one eye

    • Vision in one eye that seems smaller than the other

    • The vast majority of patients with ERMs are asymptomatic.

  • What are the treatments?​

    • Observation - as many patients are asymptomatic

    • Surgical intervention if vision becomes symptomatic enough to affect your activities of daily living. 

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