I recently watched a child eating eye boogers absent minded and couldn’t help but feel disgusted. There wasn’t much I could do though. I later on went on and researched on the topic to learn more about the same. Below I discuss my findings on eye boogers on toddlers and babies, their causes, why you may experience a lot of gunk and what you can do to prevent their formation. Eye Boogers Going by other names such as sleep in eyes, eye mattering, eye pus and eye gunk, eye boogers are a combination of oil, mucus, skin cells and debris that tend to accumulate in the eyes as you are sleeping. The characteristics of the boogers varies. They could be dry, sticky or crusty and take various coloration such as yellow, white, brown of green.