As an expert in ophthalmology, I can tell you that the sensation of having "sand in your eyes" is typically a metaphorical expression for discomfort or irritation. However, if we take this literally, it could refer to the presence of foreign particles, like sand, that have entered the eye, causing discomfort. This can happen when you are near a beach, in a windy environment, or during any activity that might kick up dust or small particles.

When foreign particles get into the eye, they can scratch the cornea, which is the clear front surface of the eye. This can lead to a feeling of grittiness, redness, tearing, and even pain. It's important to address this issue carefully to avoid causing further damage to the eye.

To remove such particles, you should:


1. Wash your hands to avoid introducing more irritants or bacteria into the eye.

2. Avoid rubbing your eyes, as this can worsen the situation.
3. Use a saline solution or clean water to flush the eye if available.
4. Blink frequently to help your tears wash the particle away.
5. If the particle is lodged and does not come out with these methods, seek medical attention.

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Rheum is made up of mucus, skin cells, oils and dust. The rheum that comes from the eyes and forms eye boogers is called gound, which you may know as eye sand, eye gunk, sleep dust, sleep sand, sleep in your eyes, or eye shnooters. When you're awake, gound doesn't cause any problems.read more >>