The eyes of a person normally produce mucus or pus called rheum which can, later on, leave eye boogers. This is a sludgy substance we usually see in our eyes.
The mucus helps to protect the eyes from harmful chemicals, dirt, and other foreign materials. Boogers in the eyes are harmless. Yet, it is best to always check if it changes as it can already be a hint for health issues.
The normal and healthy eyes have eye boogers because of the mucus produced in the eyes. With lifestyle changes or eye issue, excessive production of the mucus may happen. These can be due to:
The use of eye products: There are contact lenses or cosmetics that can irritate the eyes.
Debris and dirt near the eyes: Once there is an accumulation of debris around the eyes like sleeping with mascara on can cause eye irritation.
Weather or climate changes: There are some people who can have excessive discharge during a particular season like cold weather or allergy season.
Read more here