What makes "eye crust" and how it works there?

question Jiyuukage115 : What does "eye crust" and how it is working to get I never knew, because I never cared, but now it is a problem, wants to know. Some time ago I had a cut very close to my eye, and it took forever to heal, because the proximity of my eyes, there are many movements and so the blood can not get a chance scabies. He eventually recovered, but these days, the same eye for an eye, makes large amounts of crust (I do not know the scientific name for it), especially in the

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