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?
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.