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![](https://www.eyeiq.net/media/cds/eyeiq/moneyBasics/4163/images/STOP+Fishing+Mucous+out+of+Your+Eyes.jpg)
The tears that coat the surface of your eyes have both a liquid and a mucous layer to them. It is normal to have a small amount of mucus in your tear film. But that mucus can significantly increase when the eye gets irritated.
Some of the most...
![](https://www.eyeiq.net/media/cds/eyeiq/moneyBasics/4161/images/When+Your+Retina+Gets+a+Wrinkle.jpg)
A wrinkle on the retina -- which is also known as an epiretinal membrane (ERM) or a macular pucker -- is a thin, translucent tissue that develops on the surface of the retina.
The retina is the inner layer that lines the inside of the back of...