and protected. Tears contain water, oils, mucus, and other substances that help maintain a healthy eye surface.
During the day, blinking spreads tears across your eyes and helps remove tiny particles and debris.
When you sleep, however, you blink much less. As a result, mucus, oils, dead skin cells, dust, and dried tears can collect around the corners of your eyes and along your eyelashes.
By morning, this mixture may appear as a small amount of yellowish or whitish crust.
In most cases, it is completely normal.
Why Does It Sometimes Look Yellow?
The color can vary depending on the
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